... Aluminum Alloy Metal Mould CastingLongkou Jinda Fuel Injection Equipment Co., Ltd ,located in a prosperous economy , beautiful and ... Qingdao and Yantai. Longkou Jinda Fuel Injection Equipment Co., Ltd., founded in 1998, through the unremitting efforts of ... experienced hot and cold processing engineers, excellent international trade operators and skilled technical workers. Adopting advanced casting ...