die casting aluminum door hinge 1. Quality assured 2. OEM accepted 3. manufacture 4. low price 1. We are professional manufacture for Aluminum Alloy Die Casting and Zinc Alloy Die casting, we have factory in Shanghai, also have subsidiary in Anhui province .2. Quality assured, Passed ISO9001,2000 & ISO/TS 16949, 20023.Product range: Lighting components, Auto parts, machine parts, hardware parts, ...