1) Type: Welding neck, slip-on, lap-joint, blind, socket welding and threaded flange.
2) Size: 1/2 - 78"

3) Standard: GB, ASME, ANSI, JIS, and DIN

4) Material: stainless steel such as 304/304L/316/316L/316Ti/321; forgeed steel,
carbon steel
5) Can produce according to customers' demands or detailed drawing.