We are a professional manufacturer and supplier of ASTM A193/A320 series stud bolt with A194 nut. This set is mainly used in Petro Chemical engineering, bridge, high-biuilding etc. can supply all the grades finish treatment, including B7, B7M, B8, B8M, B8T, B8X, B8MX, B8TX, B8/B8M/B8T class 2, ...
Telephone:86-574-88120819
Address:Guzhu, Lanting Town, Shaoxing County, Shaoxing, Zhejiang, China