SHANGHAI, Mar 12(SMM) — Operating rates across primary lead smelters in Henan, Hunan and Yunnan provinces rose slightly from the previous week to 59.3% in the week ended March 12, showed an SMM survey.
Smelters in Henan kept stable production. Henan Shibin stepped up production slightly, while Wanyang started to overhaul its crude lead line from March 5, which is expected to complete till mid-April.
The average operating rate in Hunan was unchanged on the week. Chenzhou Xiongfeng remained suspended.
Yunnan Hongqian Nonferrous Metals ramped up production on ample raw materials inventories, and Gejiu Chuangyuan was still in suspension and will resume production in mid-March.
Note: The average operating rate in Hunan in the week ended March 5 was revised after daily output of Hunan Huaxin was corrected.

![[Análise SMM] Dados detalhados sobre a produção de ácido sulfúrico na China em agosto](https://imgqn.smm.cn/usercenter/Fxolk20251217171712.jpg)
![Importações de concentrado de chumbo recuaram em agosto, com recuperação limitada esperada em setembro [Análise SMM]](https://imgqn.smm.cn/usercenter/yqTpQ20251217171721.jpeg)
![[SMM Flash] Preços de ácido sulfúrico em algumas regiões caem abaixo de 1.000 yuans/tonelada](https://imgqn.smm.cn/usercenter/ULCXN20251217171714.jpeg)
