Marine engineering

We are also a leading exporter and supplier of aASTM A106 Grade B Carbon Steel Tubes in our company.

API 5L PSL1 (Product Specification Level 1) Line Pipe refers to a standard set by the American Petroleum Institute (API) for the manufacturing and transportation of steel pipes used in the oil and natural gas industry.

We make API 5CT C90 Casing Tubing according to the SY/T6194-96 standard, it is open as short string sort and long string sort gave their couplings.