... FinishingZn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Chromate, Polish,Electro Painting,Black Anodize, ... rivet from Jinri has passed strict manufacturing and quality control process, which include mounting press, grinding & polishing, micro ... hardness testing, torsional test, and salt spray test. Looking ...