... .zinc alloy die casting polishing 3.die casting lock in sea appliance Zinc casting:This product is ... the safety lockADVANTAGE:1 Rich experience in, tooling design and tooling fabrication, die-casting.2 Die casting machine: ... , Finishing, Waterproof testing, Packing.APPLICATION:--Various aluminum parts: Automobile and motorcycle accessories, Cylinder, Lamps, Electric, Tools, Home appliances, Pneumatic, ...