Guocheng Mining (SHE:000688), through a subsidiary, signed a 10-year cooperation agreement with Jike Supply Chain Management (Chengdu), according to a Shenzhen bourse filing on Saturday.
The miner's shares rose 3% at the close of Monday's trade.
Under the deal, the subsidiary, Sichuan GLCM Lithium, will supply battery-grade lithium carbonate to Jike until July 2036. The supply volume will be calculated on an annual basis.