| 出生地 |
China (Mainland) |
| 类型 |
国际收支 |
| 机器型号 |
钻井设备 |
| 验证 |
研究所 |
| 材料 |
铁 |
| 使用 |
钻井 |
Bopstacks we can provide as followings: Standard: API Spec 16AWorking pressure: 2000psi-10000psi (14 Mpa-70Mpa)Operating temperature:-18deg--121degBore size: 7 1/16"-13 5/8"Top & bottom connection: Flanged, studded