| 出生地 |
China (Mainland) |
| 牌子的名字 |
TOP |
| 类型 |
国际收支 |
| 机器型号 |
钻探工具 |
| 验证 |
研究所 |
| 材料 |
不锈钢的 |
| 处理类型 |
建立 |
| 使用 |
钻井 |
Inside BOP is a special tool used to quick connect with drill tools when blow out(overflow) is happened in drilling operation.It has the following features:high beating pressure, reliable seal, , easy operation, quick switch.