Description
| ASTM SA/A105 N | 304 /304L |
| C22.8 | 316 /316L |
| P245GH | A182 LF |
| S235JR | A694 |
| RSt 37.2 | P265GH |
| P250GH | 35CrMo |
we have our own pipe fitting factory since 1998 ,which covers 100 acres. In 1998, we invested and set up a new flange factory. Up to now, we have a complete production system, and become a professional and competitive group in this field.