Our company has gained deed of appropriation of API5I member symbol of American Oil Academy and passed ISO9002 quality system
Our company has gained deed of appropriation of API5I member symbol of American Oil Academy and passed ISO9002 quality system attestation of Norwegian Ships Classification Organization.The hot-rolled tubes and API seamless toughened steel tubes are for wholesale, with invisible welded lines. The hydraulic test grade is 5MPA-30MPA (30 to 50 times by ordinary welded tubes). Our company has gained deed of appropriation of API5I member symbol of American Oil Academy and passed ISO9002 quality system attestation of Norwegian Ships Classification Organization.
| Business Type: | Manufacturer |
| Product/Service (We Sell): | Steel pipe,seamless steel pipe,petroleum casing pipe,steel tube,seamless steel tube |
| Brands: | YH |
| Number of Employees: | 101 - 500 People |
| Main Markets: | North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe |
| Export Percentage: | 51% - 60% |
| Factory Size (Sq.meters): | 30,000-50,000 square meters |
| Number of Production Lines: | 6 |
| Number of R&D Staff: | 11 - 20 People |
| Number of QC Staff: | 21 - 30 People |
| Management Certification: | ISO 9000/9001/9004/19011: 2000 |