- Forged grinding steel ball dia 20mm-dia150mm
- 2016-11-14 15:47
- 4" height="537" style="width: 554px; display: inline; height:537px;" ori-width="554" ori-height="537"7.Certificate:
- Gost 12821-80 Welding Neck Forged Carbon Steel Flange
- 2016-10-26 08:32
- Gost12820-80 and Gost12821-80 Forged Carbon Steel Flange 1. Standards:ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,