... Surface FinishingZn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Chromate, Polish,Electro Painting,Black Anodize,Plain, ... tailor the fasteners for customersWe have advanced equipment and outstanding and production screw.The QA entire journey quality monitoring, QC strictly ... please send us your drawing and other detail for our reference if Non Standard screw ,and then we can quote you ...