... Heat treatment:T6 Aluminum Alloy Metal Mould CastingLongkou Jinda Fuel Injection Equipment Co., Ltd ,located in a prosperous economy , ... freight port of Qingdao and Yantai. Longkou Jinda Fuel Injection Equipment Co., Ltd., founded in 1998, through the ... our machinery processing sector including high-pressure diesel fuel injection systems ,automatic fuel supply advance angle devices, various ancillary ...