... 5.000.000pcs/year Product information for Precision forging and threading Material Steel,Zinc,Aluminum,Brass Surface Nickel plating, ... zinc plating and chrome plating. oxidation Tolerance +/-0.02mm Thread NPT,BSP,M,GHT,UN. Package Standard export carton with iron ... nozzles,sparyers.... Our dedication, plus the company's knowledge and experience,have resulted in satisfiedcustomers.We are proud that we ...