- Yangzhou Xinyang Technology Development Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Tianjin Donghao Flexible Hose Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shengli Oilfield Kangbei Industry And Trade Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Xiamen Tong He Rubber Products Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Kiangnan Materials Internation Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Provice Shengzhou Sheepherder Electric Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Target (Ningbo) Metal Product Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Jinsheng Rubber Product Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hefei Chequers Building Materials Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Meifa Machinery Equipment Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Hengfa Rubber
- Main business:
- Caribbean RegionBermuda
- Weigao Petroleum Drilling Tools Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Goldenman Petroleum Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhangjiakou Xiandai Petroleum Drill Tools Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- NINGBO SIMRAY PNEUMATIC & HYDRAULIC Co.,LTD.
- Main business:
- Caribbean RegionBermuda
- China PetroServices Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Lushun Industry Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Shanghai Hongxiang Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Dahe Rubber and Plastic Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Shangde Materials Co., Ltd.
- Main business:
- Caribbean RegionBermuda