Hubei Xingfa Chemicals (SHA:600141) subsidiary Xingshun New Materials signed a two-year processing agreement with BYD (HKG:1211, SHE:002594) unit Qinghai Fudi.
The deal involves producing 80,000 tons of lithium iron phosphate annually for the electric vehicle giant, according to a Friday filing with the Shanghai bourse.
The contract includes an option for a one-year automatic renewal.