Knowledge of steel pipe: Commonly used fittings of national standards

October 14, 2019

National standard GB12459 Butt Welded seamless steel pipe GB / T13401 Butt welded steel plate GB / T14383 Butt welded pipe fittings GB / T14626 forged steel threaded pipe GB9112-9131 Steel pipe flange, flange cover and method Blue gasket This message is provided by

TR Industries supplys customized cap for graffiti, also supplys applicator for Marking Paint.

                                                         Graffiti Paint Caps

Appliance Accessory

Fat Cap,Graffiti Caps,Spray Paint Caps,Line Marker Tool

Ding Wei Paint Technology. CO,ltd ,