| 出生地 |
China (Mainland) |
| 牌子的名字 |
API |
| 材料 |
various |
Hook and Block: The hook & blockare designed and manufacturedin accordance with API spec 8C and other related technical standards.The loaded parts are made of good-quality alloy steel.The traveling block and the hook block are designed integrallywith a miniature size and a compact structure,which is suitable for assembly on the truck-mounted drilling rigs.