... locating lock please refer to our company website.Shenzhen Datong Precision Metal Co., Ltd. is a specialized manufacturer of mold ... , AISI, JIS Standard in China. Established in 2002, Datong Precision had been certified according to ISO9001:2000 and turning into ... pin, Guide bush, Angle pin,Shoulder guide bushing, Sprung Cores ,Air poppet valves . Cooling elements: Spiral plug baffles ,Straight plug ...