... : Shot blasted, black painting, rust-proof oil, transparent oil, galvanizing,, hot galvanizingPacking: plywood cases, pallets, nylon bags or according to ... Swage Nipple,Hexagonal Nipple,etc ♥We are manufacturer of steel pipe&fittings, like 45deg/90deg/180deg elbow,equal or reducing ... tee ,CON or ECC reducer,pipe cap ,flange & other steel tube. ♥Feel free to contact ...