zinc alloy security lock 1.Surface finishing:painted,plated 2.Drable, Fastness 3.Competitive price 4.Buyer label offered 1.Name: door lock, mortis lock, security lock2.Lock body material: zinc alloy3.Surface finishing: painted, plated4.Backset:21.5mm5.Front plate length:171mm6.Front plate width:20.3mm7.Cylinder: chrome plated8.With 3 keys9.Production testing process rigorous10.Pay attention to ...