Chengdu Derbo Steel Co., Ltd.
WeldOlet supplier Derbo Steel can provide Sockolet, Weldolet, Threadolet, Elbowolet, Flangeolet etc. in kinds of materials such as Carbon Steel, Alloy Steel, and Stainless Steel and so on. We supply with best quality and delivery time.
Olet standard according to MSS-SP-97. and with material standard of ASTM A234, ASTM A420, ASTM A860,ASTM A403, etc.