November 21 -- BYD (002594.SZ, 0285.HK) said BYD Hong Kong, a wholly-controlled subsidiary, plans to sell a 33.38 percent stake in Foshan Jinhui High Tech Opto Electrical Material Limited for 496 million yuan, reports yicai.com.

Foshan Jinhui is one of the major players in the lithium ion battery diaphragm business.

Following the transaction, BYD maintains a six percent stake in Jinhui High Tech Opto Electrical Material Limited.