Carbon steel pipes,steel pipes,steel tubes, seamless pipes, steel tubes, carbon steel tube...
carbon seamless steel pipe,petroleum casing pipe : DN from 1/2"--20" , thickness from 2.5mm--80mm. Widely used in national electricity , chemical , petroleum , transportation and other industries.
| Business Type: | ||
| Comapany: | Shandong zhongzheng steel pipe manufacturing co., ltd | |
| Country: | China |
