Chengxin Lithium Group (SHE:002240) agreed to purchase 200,000 tons of lithium salt products from CALB Group (HKG:3931), according to a Shenzhen bourse filing on Saturday.
Chengxin's shares rose less than 3%, while CALB's shares slipped less than 1% at the close of Monday's trade.
The agreement is valid between Jan. 1, 2026, and Dec. 31, 2030, the Chinese lithium products manufacturer said.