SHANGHAI, May 22 (SMM) – Operating rates across licensed smelters of secondary lead in Jiangsu, Anhui, Henan and Guizhou edged up 0.2 percentage point in the week ended May 22 to 49.6%, as Anhui Dahua smelter held production elevated.
Tight supply of battery scrap capped any increase in secondary lead smelters operations in Jiangsu and Henan. The respective rates in Jiangsu and Henan held unchanged on the week at 53.3% and 45.5%.
The average rate in Guizhou came in at 58.1%, down 7 percentage points on the week as local inspections affected production at some smelters.
The average rate in Anhui climbed 3.7 percentage points week on week to 45.2%. Anhui Dahua kept its daily production at around 400 mt.

![Weekly Brief Review of the Lead Concentrates Market (March 9, 2026–March 13, 2026) [SMM Lead Concentrates Weekly Review]](https://imgqn.smm.cn/usercenter/bAjSC20251217171721.jpg)
![Ample Supply Circulated in the Refined Lead Spot Market, Suppliers Shipped to Delivery Warehouses and Transferred Inventory, with Sparse Transactions [SMM Weekly Review of the Refined Lead Spot Market]](https://imgqn.smm.cn/usercenter/mIbTL20251217171721.jpg)
![SMM Weekly Operating Rate of Primary Lead Smelters (March 6, 2026–March 12, 2026) [SMM Weekly Review of Primary Lead Operating Rates]](https://imgqn.smm.cn/usercenter/TmYox20251217171721.jpeg)
