According to SMM, a zinc smelter in Southwest China plans to conduct routine maintenance in early July. The maintenance is expected to last 10-15 days, affecting production by 2,000-3,000 mt.

According to SMM, a zinc smelter in Central China entered a routine maintenance phase on June 24, planning to halt production for maintenance for about 25 days, which is expected to affect approximately 10,000 mt.

According to SMM, a zinc smelter in north China commenced a production halt for maintenance on June 21. The maintenance is expected to last around 20 days, during which no zinc ingot output will be produced.

[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..

According to an SMM survey, a zinc smelter in northern China started routine maintenance today, planning a 40-day maintenance period, with an estimated impact of approximately 3,000 mt.

A magnitude 6.3 earthquake struck Dachaidan in Haixi, Qinghai, on June 16, 2026. According to SMM, the main zinc smelters and mines in the Qinghai region have seen no impact so far. SMM will continue to follow up on subsequent developments.