Hinge, Handle, Latch manufacturer / supplier in China, offering Sg7-13 Aluminum Alloy G Oxidation of Black Coupling Using Locking Assemblies Connect Flexible Jaw Coupling, Sg7-2 Kunlong One-Piece Metallic Spring Universal Mechanism Rsc Quick Coupling, Sg7-9 Professional Factory Made Stainless Steel Sliver Anodizing Surface Light Weight Coupling and so on.