... :yellow Zinc plating 3)Standards:SAE,JIC,BSP,NPT,DIN etc 4)high quality. Pipe Plug: We are manufacturing and marketing all ... .the products are available in many different standards, such as JIC, DIN, BSP, JIS, GB and etc. or produce according to ... (yellow or white) plating, nickeled. and so on3)Standards: SAE,JIC, BSP, NPT etc.4)application: machinery, transportation, mines, oil fields ...