Door lock Scope of application: engineering, homes, hotels, office. (1) Surface treatment: AB, AC, AN, BN, CP, GP, SB, SN, PB, PVD.and so on (2) Raw materials are high-quality zinc alloy material, to ensure the quality stability. (3) Zinc rod through the lathe precision machining, cutting, drilling, and production thread (4) Through the multi-channel polishing process, so that the surface bright. (5) 20 with a few strict quality control testing, strict control on quality. (6) 72-hour salt spray test, to test its high-strength corrosion resistance, wear and tear functions. (7) Polished plating to enhance aesthetic degree. (8) Is suitable for wooden doors, metal doors, for the door locks can also be used as decoration. (9) Suitable for 38mm-55 mm thickness door installation. Polybag+white box packing