... )Finish:yellow Zinc 3)Standards:SAE,JIC,BSP,NPT,DIN 4)high quality, on time delivery Hose Fitting:1)Material: Carbon steel ... : Zinc(yellow or white) plating, nickeled. and so on3)Standards: SAE,JIC, BSP, NPT etc.4)application: machinery, transportation, mines, oil ... part, cut part and so on in China.We can supply OEM service, namely, we can manufactue non-standard metal parts ...