Detailed Product Description Door lockScope of application: engineering, homes, hotels, office (1) Surfacetreatment: AB, AB, SS/B, SS/G, KB, SP, PVD.and so on(2) Raw materialsare high-quality zinc alloy material, to ensure the quality stability.(3) Zinc rod through the the precision machining, cutting, drilling, and production thread(4) Through the multi-channel polishing process, so that the ...