US-based manufacturer Skuld has filed a patent application for a process that enables direct casting of wrought-grade aluminum alloys such as 6061 and 7075 from scrap metal, reducing the need for traditional rolling and forging. The project is part of DARPA’s Rubble to Rockets (R2R) programme, which focuses on converting scrap into structural components using advanced casting and AI-assisted analysis. The company said its AI-supported spark testing system can rapidly identify scrap compositions, while heat treatment and casting methods can achieve wrought-level mechanical performance. The technology could support future applications in defense, aerospace and remote manufacturing by improving recycled metal utilization and supply chain resilience.
May 20, 2026 15:10The 2025 2nd SMM Southeast Asia Automotive Supply Chain Conference was successfully held, featuring the release of 10 new car models, Southeast Asia brand strategies from three automakers, and SMM's local steel prices in Thailand. The event facilitated efficient matchmaking between 12+ buyers and 60+ suppliers, and preliminarily established a communication platform for the entire industry chain of Southeast Asian automotive sector. Currently, the NEV industry in Southeast Asia is entering a critical development phase. Thailand, Indonesia, and Vietnam each have their own strategic layouts and breakthroughs, while the industry also faces challenges such as supply chain restructuring, competition over technology roadmaps, and localization compliance. Thanks to the support from all parties, SMM's local pricing systems in Thailand and Indonesia have been implemented and adopted by core enterprises, establishing a credible cost benchmark for the industry. The 2026 3rd Conference will focus on three core themes: exploring the auto sales potential of NEVs in Southeast Asia; connecting the last mile of the supply chain and integrating regional industry chain resources; and advancing SMM's Southeast Asia metal pricing from a price reference to a transaction benchmark, implementing electrification material procurement applications and establishing an executable pricing system. We firmly believe that true progress comes from turning consensus into action. At this conference, Shenzhen Jinhelian Technology Co., Ltd. - UNIND sincerely invites you to gather again in Bangkok, to transform strategic blueprints into market competitive advantages, to witness and participate in this extraordinary and far-reaching industry event, and to co-create a brilliant new chapter! Click the to register now. Powering and Roads Ahead UNIND is a one-stop manufacturing partner for automotive stamping parts. Beyond the press itself, we operate a fully integrated in-house post-processing chain — deburring, sizing, heat treatment, surface coating, cleaning, and final inspection — delivering parts that are ready to assemble the moment they reach our customers' lines. Operating from a fully-equipped facility in Vietnam and backed by Union Industry's global supply network, UNIND serves automotive Tier 1s across Southeast Asia and beyond, with quality systems trusted by Sensata, Eberspächer, ITT, Stellantis, ZF, DRiV and ELDOR. Process Process Integrated Automotive Stamping Parts Solutions INTEGRATED AUTOMOTIVE STAMPING SOLUTIONS Stamping → Deburring → Sizing → Heat Treatment → Surface Coating → Cleaning → Inspection → Packaging & Delivery Clients We Work With Customer We Work With Contact Contact Shirley Wang M: +86 18573109058 E: shirley.wang@unindasia.com Contact Us Yan Caowei 15618581967 yancaowei@smm.cn
May 18, 2026 13:38The 4th China (Jiangxi) International Nonferrous Metals and Metallurgical Industry Exhibition, 2027 The 4th China (Jiangxi) International Nonferrous Metals and Metallurgical Industry Exhibition in 2027 Date: March 28-30, 2027 Venue: Nanchang Greenland International Expo Center "World Tungsten Capital" "World Copper Capital" "Asia's Lithium Capital" "Rare Earth Kingdom" Concurrent Events: The 4th China (Jiangxi) International Green Mining Exhibition, 2027 The 4th China (Jiangxi) International Foundry, Die Casting, Forging, Heat Treatment and Industrial Furnace Exhibition, 2027 [Jiangxi's Many Firsts] New China's first aircraft, first diesel wheeled tractor, first military sidecar motorcycle, first coastal defense missile, first artificial satellite, and today's C919 large passenger aircraft were all born here. [Industrial Advantages] The nonferrous metals industry is the largest pillar industry of Jiangxi Province. The energy consumption dual controls, dual carbon policies, and the new connotations of high-quality development have put forward new requirements for strengthening and expanding the nonferrous metals industry. Promoting the further healthy, rapid, and orderly development of the nonferrous metals industry and enhancing its core competitiveness is an inevitable requirement for transforming from a province rich in nonferrous metal resources to a province with a strong nonferrous metals industry, and is also an important lever for Jiangxi to achieve carbon peaking by 2030. Leveraging Jiangxi Province's abundant nonferrous mineral resources, Jiangxi's nonferrous metals industry has developed rapidly, with continuously expanding scale and improving standards. It has become Jiangxi's largest pillar industry and is currently a key "trillion-yuan-level" industry being cultivated in Jiangxi. It is the undisputed "ballast stone" of Jiangxi's manufacturing sector. Jiangxi has become an important nonferrous metal ore mining and production site in China. Jiangxi Province enjoys superior metallogenic geological conditions and abundant mineral resources, making it one of China's important bases for nonferrous metals, rare metals, rare earth, and uranium minerals, with a relatively high degree of mineral resource complementarity. Jiangxi's seven major categories of minerals — copper, tungsten, rare earth, uranium, tantalum-niobium, gold, and silver — are known as the "Seven Golden Flowers." According to Jiangxi Province's "2+6+N" Action Plan for High-Quality Leapfrog Industrial Development, the province's nonferrous metals industry plans to achieve a trillion-yuan level in main business revenue. To promote the healthy development of Jiangxi Province's nonferrous metals industry, facilitate foreign economic and trade cooperation, and guide Jiangxi's nonferrous metals industry to align with international standards, the Organizing Committee, after conducting multiple in-depth grassroots surveys and project analyses with government authorities and industry associations, has decided to hold the "4th China (Jiangxi) International Nonferrous Metals and Metallurgical Industry Exhibition, 2027" at the Nanchang Greenland International Expo Center on March 28-30, 2027. We look forward to seeing you there. [ Exhibition Dates ] Registration and Booth Setup: March 26-27, 2027 Opening Ceremony: March 28, 2027, 9:30 Exhibition and Trading: March 28-30, 2027 Dismantling: March 30, 2027, 14:00 [Scope of Exhibits] Non-ferrous Metal Raw Materials: copper, aluminum, magnesium, titanium, zinc, lead, manganese, zirconium, vanadium, nickel, molybdenum, silicon, antimony, tin, chromium, tungsten, tantalum, indium and other non-ferrous metal mineral product raw materials, magnetic materials, rare and rare earth materials, precious metal materials and various alloy materials; Non-ferrous Metal Products: copper products, aluminum products, titanium alloy products, magnesium alloy products, powder metallurgy products, etc.; Metallurgical Equipment and Technology: smelting furnaces and kilns, refining equipment, smelting pumps and valves, conveying equipment, heat exchange equipment, flue gas acid-making equipment, corrosion-resistant equipment, hydrometallurgy, electrolysis equipment, large power rectifier power supplies, electrolytic cells, extraction equipment, surface treatment equipment, etc.; Metal Processing Machine Tools: lathes, milling machines, sawing machines, drilling machines, grinding machines, punch presses, boring machines, machining centers, electrical discharge machines, wire cutting machines, laser processing equipment, etc.; Metal Automation Control Equipment: frequency converters, fieldbuses, industrial computers, instruments and meters, automation control, robots, electronic application systems, weighing instruments and information solutions for equipment manufacturing, etc.; Auxiliary Materials for Metal Production: chemicals, solvents, refractory materials, catalysts, gases, lubricating oils, etc.; Powder Metallurgy: raw materials, equipment, products, 3D printing, polymer powder materials, ceramic powder materials; Casting, Die Casting and Forging: castings, casting equipment, casting materials, casting molds, casting/pouring robots, new casting technology and supporting products, various heat treatment furnaces, industrial furnaces, die castings, die casting molds, die casting machines and peripheral equipment, post-processing equipment for die castings, surface treatment technology and equipment, die casting robots, new die casting technology and supporting products, forgings, flanges and rings, forging equipment and accessories, surface treatment technology and equipment, automation, forging mold manufacturing technology and equipment, forging raw materials. Geological (Mine) Exploration Technology and Equipment: geophysical exploration technology, geochemical exploration technology, aerial survey and remote sensing technology, surveying and mapping technology, geological data processing, mineral product analysis, laboratory instruments and meters. Mining Technology and Equipment: excavation equipment, drilling and rock drilling equipment, loading equipment, transportation equipment (excavators, loaders, underground mining vehicles, mining dump units), hoisting equipment, drilling, construction machinery, etc. [Media Promotion] 65 authoritative financial media outlets including Jiangxi Daily, Jiangxi Television Economic Channel, Dajiang Finance Channel, Jiangxi Net, China Net, China Daily Net, and China Finance Net; 10 major self-media platforms including Sohu, NetEase, and Toutiao; 53 industry-leading professional media outlets including China Mining Net, China Excavator Net, China Foundry Net, China Die Casting Net, China Auto Manufacturing Net, World Aluminum Net, China Nonferrous Metals Net, Nonferrous Metals Information Net, and Metalworking, along with 180 other industry-related professional media outlets; Comprehensive coverage of key words search clients through online search platforms such as Baidu Promotion and 360 Promotion; [Concurrent Events] 2027 China Foundry Technology Innovation Outstanding Contribution Award Ceremony 2027 China Metallurgical Melting and Casting Technology Seminar 2027 China Recycled Metals Industry Chain Integrated Development Forum 2027 China NEV and Auto Body Lightweighting Peak Forum 2027 China Green Mine Development Forum [Exhibition Rules] ★ Standard booth 3m×3m: China enterprises: RMB 9,800 yuan/booth; overseas enterprises: RMB 15,800 yuan/booth; ★ International brand booth (9 ㎡, deluxe decoration) RMB 12,800 yuan/booth; overseas enterprises: RMB 18,800 yuan/booth; ★ Indoor bare space (minimum 36 ㎡): China enterprises: RMB 1,000 yuan/㎡; overseas enterprises: RMB 2,000 yuan/㎡; Booth equipped with: two fluorescent tubes, one waste basket, display boards, header board, one table and two chairs, air conditioning, lighting, security, and cleaning services. Note: Bare space does not include any exhibition facilities. Special decoration management fees and hydropower fees charged by the venue shall be borne by the exhibitors and their special decoration contractors. [Organizing Committee Secretariat] Contact: Song Jia 132-1700-0270 (same on WeChat) Official website: http://www.jxysjs.net
May 12, 2026 15:30【SMM Steel】GMH Gruppe commissioned its second inductive single-rod tempering system (EVA 2) at its Georgsmarienhütte plant, completing a €21.5m investment. The new line doubles electric heat treatment capacity to 35,000 t/y, processing 35-100 mm bars for wind turbines and auto parts. Using renewable electricity instead of gas will cut CO₂ by over 50,000 t in a decade. The project supports its 2039 climate-neutral goal and received €2.2m in German federal funding.
Mar 23, 2026 16:30Recently, to promote the recycling of renewable resources and standardize the import management of regenerated black mass raw materials for lithium-ion batteries and regenerated steel raw materials, the Ministry of Ecology and Environment, the General Administration of Customs, the National Development and Reform Commission, the Ministry of Industry and Information Technology, the Ministry of Commerce, and the State Administration for Market Regulation jointly issued the "Announcement on Matters Related to Standardizing the Import Management of Regenerated Black Mass Raw Materials for Lithium-ion Batteries and Regenerated Steel Raw Materials," which will come into effect on August 1, 2025.
Jun 18, 2025 08:52On June 8, 2025, the non-oriented electrical steel continuous annealing line of Ningbo Narita New Material Technology Co., Ltd. was successfully commissioned in one attempt! The non-oriented electrical steel continuous annealing line of Ningbo Narita New Material Technology Co., Ltd. has an annual production capacity of 280,000 mt/year, with a designed maximum process speed of 140 m/min. It can produce non-oriented electrical steel products with specifications of 900-1250 x 0.30-0.65 mm. Ningbo Narita is located in the Hangzhou Bay New Area of Ningbo. From the line design to on-site construction, Shanli Technology adopted internationally advanced key technologies and equipment for the continuous heat treatment of electrical steel. To ensure the safe, high-quality, and efficient commissioning of the project, both parties actively cooperated and coordinated planning in the installation, commissioning, and hot load testing work, striving for excellence. The project officially commenced on February 11, and at 17:00 on June 8, the first coil of finished electrical steel was successfully rolled off the line, with good shape and qualified properties. Both parties will continue to deepen cooperation in multiple technological fields in the future, continuously exploring new cooperation prospects, and jointly contributing greater strength to China's development of new quality productive forces and acceleration of the green industry!
Jun 17, 2025 15:10On April 29, 2025, Yu Jin, Senior Director of SMM, Ding Weiquan, Head of Secondary Aluminum, Zhang Xiaoyao, Head of International Recycling, and Yang Shihao, Senior Aluminum Analyst, visited Miluo Lianchuang Aluminum Technology Co., Ltd. They were warmly welcomed by Chairman Zhu Zhenping. Subsequently, both parties engaged in communication and discussions on the secondary aluminum market and the development of the non-ferrous metals landscape. Through these discussions, both sides strengthened their understanding and recognition of each other, laying a solid foundation for continuously deepening cooperation and achieving mutual benefit and win-win results in the future. Company Profile Miluo Lianchuang Aluminum Technology Co., Ltd. Located in the Miluo Renewable Resources Market, which is one of the "first batch of national pilot circular economy zones." It is adjacent to the scenic Miluo River in the north, and is close to Huanghua Airport, the Beijing-Guangzhou Railway, the Beijing-Zhuhai Expressway and its parallel line, the Wuhan-Guangzhou Intercity Expressway, and National Highway 107, all of which pass through the area. It is approximately 3 kilometers away from the high-speed railway station, enjoying excellent transportation and geographical conditions. Founded in 1998, the company is an enterprise that integrates scientific research, production, and operation, specializing in the production of cast aluminum alloy ingots. The company covers an area of over 20,000 m², and currently possesses advanced domestic secondary aluminum alloy smelting equipment and ancillary supporting facilities, capable of producing 100,000 mt of secondary aluminum ingots annually. To ensure product quality, the company has introduced advanced domestic and overseas quality detection equipment, such as direct-reading spectrometers, universal tensile testing machines, metallographic microscopy, Brinell hardness testers, vacuum hydrogen analyzers, K-notch fracture detection, and other specialized equipment. It has also hired a group of outstanding professional technical personnel. Through advanced management, unique heat treatment and smelting processes, and multi-layer filtration impurity removal technology, the company conducts comprehensive testing of the chemical composition, mechanical properties, and metallographic structure of its products, ensuring product quality. Currently, the company's main products include ADC10, ADC12, and AC2B under the Japanese JIS standard; A360, A380, etc. under US grades; at the same time, it can also produce according to customer-specified compositions. It mainly provides high-quality aluminum alloy ingot series products for the domestic and overseas automotive industries, motorcycle industries, as well as home appliance and lighting enterprises. The company has consistently received high praise from users for its superior product quality and excellent after-sales service. Facing future opportunities and challenges, Lianchuang people will leverage technological innovation, standardized quality, and a keen vision to strive for cooperation and mutual benefit with users from all walks of life, working hand in hand to create a better tomorrow! SMM Contact Person Ding Weiquan 18029344837
Jun 17, 2025 10:33Recently, Vallourec, a global leader in premium seamless tubular solutions, announced that its vertical gaseous hydrogen energy storage solution, Delphy, has officially passed DNV verification. As a globally pioneering solution, Delphy can store hydrogen ranging from 1 to 100 mt under the highest safety standards. This vertical system can extend up to 100 meters underground, occupying minimal land area, and is capable of meeting the challenges of complex and demanding industrial environments. Its target customers include green hydrogen producers, as well as industrial enterprises such as synthetic fuel (e-SAF, e-methanol) producers, green ammonia producers, steel companies, and refineries. The Delphy solution stems from Vallourec's long-term professional expertise and technological accumulation. Based on practically verified tubular and connection technologies, it exhibits excellent sealing and corrosion resistance. The project was initiated in 2022, bringing together approximately 30 researchers and experts, with particular emphasis placed on high-precision rebar processing, heat treatment, and non-destructive detection. In December 2023, the demonstration project for this solution was completed. Subsequently, Vallourec conducted a rigorous development, testing, and verification process for its hydrogen storage technology, ultimately leading to the successful verification of Delphy in recent days. This conformity statement issued by authoritative experts fully ensures the safety and reliability of the solution, marking a crucial milestone towards its commercialization. With the endorsement of authoritative verification, Vallourec has signed two Memoranda of Understanding (MoUs) with customers: one with H2V for green hydrogen production and utilization projects, and another with NextChem Tech for advancing green hydrogen and green ammonia projects. Currently, approximately 50 projects are under negotiation in France and globally, with potential revenue reaching around 2 billion euros. This verification result comes at a time when the demand for energy storage infrastructure is expected to grow—driven by the intermittent and flexible nature of green hydrogen production. The market demand for Delphy's energy storage solution will be propelled by both European regulations (requiring energy storage solutions to be paired with renewable electricity production) and France's hydrogen strategy (encouraging green hydrogen producers to operate flexibly to contribute to power grid stability). Philippe Guillemot, Chairman and CEO of Vallourec Group, stated: "The successful verification of Delphy underscores Vallourec's ability to transform industrial and technological expertise into new energy solutions. Thanks to the outstanding performance of our team, we have been able to launch this unique solution to address the challenges of global hydrogen energy development. This crucial milestone also solidifies our position in the hydrogen energy market and our leadership role in supporting the global decarbonization process." Santiago Blanco, Executive Vice President and Regional Director for Southern Europe at DNV Energy Systems, commented, "DNV is honored to provide validation services for Vallourec's Delphy hydrogen storage solution - a significant milestone in the field of safe and scalable hydrogen infrastructure. According to our Energy Transition Outlook model, the global demand for hydrogen is projected to reach 188 million mt per year by 2050. Flexible energy storage solutions like Delphy are crucial for bridging the gap between renewable energy supply and industrial demand. As hydrogen energy enables decarbonization in industries that are difficult to electrify, independent technical testing and validation will be key to accelerating deployment and building market confidence." About Vallourec Vallourec is a global leader in premium seamless tube solutions for the energy market and demanding industrial applications, with products spanning oil and gas wells in harsh environments, next-generation power plants, high-demand construction projects, and high-performance machinery equipment. Its pioneering spirit and cutting-edge R&D capabilities continuously push the boundaries of technology. With nearly 13,000 dedicated and passionate employees in over 20 countries worldwide, Vallourec collaborates with customers to provide not just tubular products, but innovative, safe, and cost-competitive smart tubular solutions that make every project possible. About DNV DNV is an independent certification and risk management services provider with operations in over 100 countries. Leveraging extensive experience and profound expertise, DNV is committed to enhancing safety and sustainable performance, setting industry standards, and inspiring and creating innovative solutions. Whether it's assessing new ship designs, providing certification for floating wind farm technologies, analyzing natural gas pipeline sensor data, or certifying food company supply chains, DNV empowers clients and their stakeholders to confidently navigate technological and regulatory complexities. DNV provides assurance across the entire energy value chain through consulting, monitoring, validation, and certification services. As a leading global independent energy expert and technical advisor resource, it helps industries and governments navigate the numerous complex and interconnected transformations occurring in the global and regional energy sectors. DNV is dedicated to achieving the goals of the Paris Agreement and supporting clients in their transition to a deeply decarbonized energy system at a faster pace.
Jun 10, 2025 15:28As a critical material in fields such as aerospace, integrated circuits, and high-speed rail transportation, high-end copper alloys are increasingly gaining strategic importance. Despite China's copper semis production and consumption ranking first globally for consecutive years, with a self-sufficiency rate of 96% for general copper semis, high-end copper alloy products still heavily rely on imports. To address this "chokehold" challenge, SMM recently initiated an industry resource integration proposal, collaborating with upstream and downstream enterprises in the industry chain, as well as research institutions, to meticulously produce the "2026 China Copper Alloy Materials Sourcing Guide" , aiming to advance the localisation process of high-end copper alloy materials and facilitate the transition from a "major material producer" to a "leading material powerhouse." Jiangsu Xiongsheng New Material Co., Ltd., as a partner, actively participated in the joint production of the sourcing guide, jointly promoting the healthy and rapid upgrading of China's copper alloy materials industry chain. Jiangsu Xiongsheng New Material Co., Ltd. specializes in producing high-hardness, high-strength, high-wear-resistant, high-corrosion-resistant, high-conductivity, high-thermal-conductivity, and non-magnetic high-performance copper alloy materials, including beryllium bronze, beryllium cobalt copper, beryllium nickel copper, beryllium cobalt nickel, chromium zirconium copper, aluminum bronze, and high-conductivity copper alloys. The main grades are: C17200 beryllium copper, C17300 free-cutting beryllium copper, C17500 beryllium cobalt copper, C17510 beryllium nickel copper, C18150 chromium zirconium copper, 86300 aluminum bronze, and nickel chromium silicon copper. The company boasts over two decades of production experience and history. The company holds over 10 patents, has passed ISO9001 system certification, and possesses 105 sets of equipment, including vacuum melting furnaces, pneumatic forging hammers, and sawing machines, with an annual production capacity exceeding 2,000 mt. Through R&D and improvements in special processes such as melting, forging, heat treatment, and cold working, it has eliminated difficult-to-overcome defects like porosity, blowholes, and uneven thermal conductivity, enabling products to meet national and international industry standards! The products are mainly used in electrode blocks, electrode wheels, conductive nozzles, current pins, nozzles, rotating shaft sleeves, etc., for spot welding, seam welding machines, EV batteries, and robot assembly lines. They are widely applied in manufacturing large molds, ceramic sanitary ware, electronics, machinery, explosion-proof appliances, aerospace, shipping, oil exploration, NEVs, and other industries. Their high-hardness, high-strength, high-wear-resistant, high-corrosion-resistant, high-conductivity, high-thermal-conductivity, and non-magnetic properties are increasingly being applied to more industries and fields. Jiasheng Copper adheres to the industry philosophy of "integrity, pragmatism, and striving for excellence" and upholds the business principle of "quality first, customer supreme." We are willing to grow together with you! Contact Information: Manager Zhang 15853799595/13926800367 Click here to receive a free copy of the "2026 China Copper Alloy Materials Sourcing Guide" SMM Contact Person Lin Junfeng 183 2622 3112 linjunfeng@smm.cn
Jun 9, 2025 15:50In 2024, China's industrial aluminum extrusion sector witnessed sustained growth in applications across NEVs (with projected sales exceeding 12 million units), aerospace, and low-altitude economy. However, the industry faced multiple challenges including persistently high and volatile raw material prices, technological bottlenecks, international trade frictions, and the cancellation of export tax rebates. By 2025, the aluminum extrusion industry is embracing three major growth opportunities: the state-promoted "low-altitude economy" creating new application scenarios; the continued expansion of NEVs (2024 sales estimated over 12 million units) driving surging demand for aluminum components like motor housings and sill beams; and the accelerated relocation of the industry chain to overseas markets such as Southeast Asia and Mexico to circumvent trade barriers. These trends are reshaping the industry's growth landscape. Accordingly, SMM focuses on industrial development directions while collaborating with major associations and institutions across the industry chain to jointly launch the "2025 Global Industrial Aluminum Extrusion Procurement Guide." This time, Yuantai (Shanxi) Co., Ltd. will partner with SMM to co-produce this procurement map, jointly analyzing market trends and exploring the industry's future! Yuantai (Shanxi) Co., Ltd. , established in November 2020 as a foreign-invested enterprise with registered capital of $21.07 million and total investment of $50 million. Located in Xing County Economic Development Zone, Lvliang City, Shanxi Province, the company leverages Chalco Huarun Aluminum's 99.85% high-grade liquid aluminum. It emphasizes R&D of new aluminum alloy materials and processes while providing technical services like failure analysis for customers. The company's professional R&D team utilizes advanced platforms including melting/casting units, refining/purification systems, and homogenization heat treatment furnaces to optimize designs, adjust alloy chemical compositions, and develop new production technologies. This enables timely delivery of premium aluminum alloy casting ingots, better serving market demands and supplying high-quality materials for 3C electronics, aerospace, 5G communications, and NEV sectors. Adhering to the philosophy of "technology creates value, integrity builds brands," the company closely monitors cutting-edge aluminum alloy technologies. It aims to break through fundamental metallurgical quality challenges in high-end casting ingots and industrialize key technologies, enhancing innovation and supply capabilities for advanced civil aluminum alloys to achieve rapid yet steady development. The company's main products include high-quality 2-series, 3-series, 4-series, 5-series, 6-series, and 7-series aluminum alloy cast bars, along with 2-series, 4-series, and 7-series aluminum alloy slab ingots. Slogan Technology Creates Value, Integrity Builds Brand Quality is Life, Service with Utmost Sincerity Contact Information Xingxian Economic and Technological Development Zone, Lvliang City, Shanxi Province Liao Chungui: 13771974218 Co-production Contact Person Zhou Shiyang Mobile: 17278238856 (same as WeChat ID) Email: zhoushiyang@smm.cn
May 31, 2025 13:26