... life requirements, such as Bakelite plastic moulds, Tin,lead,Zn and Al alloy die casting mould(such as engine radiator, lights ... and other decoration products), Aluminum extruded moulds(such as Aluminum ... (such as car connecting bar, crank, stainless dinner knife), Cu alloy extruded, die casting moulds. 2. FeaturesESR steel, high cleanliness, ...