| After-sales Service: | Free Replacement, Online Guidance |
|---|---|
| Warranty: | 20 Years Warranty |
| 유형: | Seamless, Welded |
| 기술: | Extruded, Hot Rolled, Cold Rolled, Cold Drawn, ERW |
| 자료: | Carbon Steel, Alloy Steel, Stainless Steel |
| 표면 처리: | Black, Oiled, Galvanized, Varnishing, Polished |
