[Imported Zinc Concentrate Market] Overseas ore supply disruptions have persisted recently. Offers for imported ore remained scarce this week, with some heard quoted at around -$80 to -$90/dmt, but smelters held a strong wait-and-see sentiment, keeping overall trading activity sluggish during the week.

[Zinc concentrate TCs remain low, keep watching subsequent smelter operations]: From weekly data, the SMM Zn50 domestic weekly TC average fell by 150 yuan/mt Zn WoW to -200 yuan/mt Zn, and the SMM import zinc concentrate index fell by $0.56/dmt WoW to -$71.76/dmt..

Time flies as the midpoint of 2026 approaches. The zinc concentrate market has witnessed another extraordinary price cycle this year. As of June 12, domestic zinc concentrate treatment charges (TCs) plunged to -50 yuan per metric ton of zinc metal, marking the arrival of negative TCs. Meanwhile, TCs for imported zinc concentrate tumbled to -71.2 US dollars per dry metric ton, both hitting all-time record lows.

【Imported Zinc Concentrate Market】Offer volumes of imported zinc concentrate remained limited this week. Smelters prioritized purchasing domestic ore, resulting in sluggish trading sentiment for imported zinc concentrate overall.

[Domestic Zinc Concentrate TCs Reach Negative Territory, TCs Continue to Decline]: On a weekly basis, the average SMM Zn50 domestic weekly TCs fell by 100 yuan/mt Zn WoW to -50 yuan/mt Zn, and the SMM imported zinc concentrate index dropped by $0.45/dmt WoW to -$71.20/dmt..

As we near the midpoint of the year, zinc concentrate treatment charges (TCs) have repeatedly tumbled to historic lows. As of June 5, the average TC for domestic zinc concentrate fell to 50 yuan per metric ton of metal content, while the TC for imported zinc concentrate dropped to -70.75 US dollars per dry metric ton.

[Domestic zinc concentrate TCs see more negative deals, overall decline continues]: From weekly data, SMM Zn50 domestic weekly average TCs fell 100 yuan/mt Zn WoW to 50 yuan/mt Zn, and the SMM imported zinc concentrate index dropped $7.3/dmt WoW to -$70.75/dmt..

[Imported zinc concentrates market] According to SMM, this week few ore traders made offers in the market, and prices continued to decline. Meanwhile, smelters still prioritized purchasing domestic zinc concentrates due to the low import-to-domestic price ratio, and trading activity in the imported ore market was generally subdued during the week.

[Ore Supply Tightness Remains Unchanged, Domestic and Imported Zinc Concentrate TCs Continue to Decline]: Based on weekly data, the SMM Zn50 domestic weekly average TC fell 250 yuan/mt Zn WoW to 150 yuan/mt Zn, and the SMM imported zinc concentrates index dropped $7.19/dmt WoW to -$63.44/dmt.

[Insight into Provincial Profit Landscape: New Release of Zinc Smelting Profit Model by Province] In May 2026, the zinc market is experiencing unprecedented structural pressure. TCs for imported zinc concentrates have fallen to -$56.25/dmt, while domestic TCs dropped weekly to 400 yuan/mt Zn. Meanwhile, the sulphuric acid export control policy continued to take effect in May, with some 98% smelting acid in south China declining by around 300 yuan/mt, directly impacting an important by-product revenue source for smelters. LME zinc inventory of around 100,000 mt stands in sharp contrast to China's social inventory exceeding 260,000 mt. The pattern of "tight ore and loose ingots" has made smelters the most severely squeezed link in the industry chain......