
| Serye ng API | LTC, STC, BTC, EUE, NUE, XC |
| Serye ng TP | TPEX, TPCQ, TPCQE, TPNF, TPJC, TPFJ, TPG2, TPQR |
| Serye ng BG | BGC, BGT1, BT-FJ, BGT2, BGBC, BGT3 |
| Serye ng HSM | HSM-1, HSM-2 |
| Seryeng CB | HQSC1, HQST1, CBS3 |
| Serye ng WsP | WSP-1T, WSP-2T, WSP-3T, WSP-4T |
| Serye ng JFE | SORO, OSO |
| Serye ng TSH | 3SB, Hydril CS, Hydril PH6 |
| Serye ng VAM | Vamtop、NewVam、VamFJLAand OTTM、OTTG,TMK-FMC、NSCC,HUNTING-APEX |
Pagtatanong
5-1203, Dahua Industrial Zone, No.2 Yunshui Road, Hi-tech development zone, Xi'an, 710065, Tsina
86-13609153141