Specification:Fuel Vapor Valve is the key parts of auto fuel vapor control system. Installing in fuel tank to prevent oil leakage by control fuel vapor air pressure. Company starts from OEM fuel vapor design and manufacture. The fuel vapor valve to first Zhonghua vehicle of HUACHEN AUTO GROUP is independent developed by Fangyuan. Fangyuan has got experienced team specialized in its development and manufacture. The part is assembled with POM plastic parts and other parts. Technical specification of flow value, leakage and pressure all can reach different auto maker requirement.