1. Can Produce Any Size Between 100*100~300*300
2. Good Coils With Brilliant Surface
3. Zinc Coating 220g/m2~550g/m2
4. Can Guarantee The Welding Line 100% Qualified.
5. Manufacturing Strictly According To ISO9001
2. Beautiful Surface Treatment，Make The Pipe Bright
3. Good Quality Steel Coils With High Mechanical Property
4. Progressive ERW Technique, Qualified Welding Line
5. With Anti-Rust Paint，Color Can Be Choose By Clients
2. Advanced Cut Technique,
3. Progressive Lincoln Welding Machine
4. Can Provide Bevel Ends Or Other Treatment
5. Normalized Equipment Make The Heat Treatment
2. Products Are 100% Qualified To API Standard
5. Strict QC System, Manufacturing According to Standard
2. Thick Wall Can Be Used For Ore Pulp
3. Can Manufacture According To Api-5L Standard
4. Provide Various Of Anti-Corrosive Treatment.
5. Plain Ends, Beveled Ends, And Flanges Can Be Provide
