China GOST Welding Neck Flanges | GOST carbon steel WN RF flanges
JS FITTINGS produce standard GOST flanges, GOST Welding Neck Flanges, Forged Flanges, Steel 20 Flanges, WN RF Flanges.
Model:JS-WN
JS FITTINGS produce standard GOST flanges, GOST Welding Neck Flanges, Forged Flanges, Steel 20 Flanges, WN RF Flanges.
Model:JS-WN
JS FITTINGS is a leading Chinese manufacturer of carbon steel weld flanges, especially weld neck flange, WN RF Flange.
Model:JS-L
Carbon steel pipe fitting and flanges for water supply and drainage system in City construction.
Model:JS-BL