- Shandong Hongcheng Pipe Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Zhongdeli Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Rizhao Steel Co., Ltd
- Main business:
- Caribbean RegionBermuda
- JW Hydraulic Product (Shanghai) Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shandong Buoy&Pipe Indsutry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Nanjing Jinglue FRP Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Xinlian Petroleum Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangsu Zhaosheng Building Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wuxi Nantian Safety Facilities Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Cangzhou Dagang Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yixinda Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Zhongyi Industrial and Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Lianyungang Inpu Quartz Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Changzhou Longfa Vehicle Accessories Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang AQUAfaucet Sanitary Wares Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Boto Pipeline Manufacture & Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Katalor Industry Co., Ltd
- Main business:
- Caribbean RegionBermuda
- P. D. Sanitary Ware Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Nanjing Iamon Clothing Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Baolai International Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda