JS FITTINGS produce and supply GOST17375-2001, GOST17376-2001, GOST17378-2001, GOST17379-2001. Except the standard size, JS FITTINGS are powerful to supply customized butt weld pipe fittings in big size.
All details are made according to the drawing and technology data that supplied by the client. After production, reasonable and scientific inspection and testing are acceptable.
Please check the following project cases.