... FinishingZn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Chromate, Polish,Electro Painting,Black Anodize, ... groundwork, we upgraded the company from staff, research & development team, manufacturing process, to equipments and technology, hoping to be ... screw etc. Every rivet from Jinri has passed strict manufacturing and quality control process, which include mounting press, grinding ...