- al amin for pipes and industries
- Main business:
- North AfricaEgypt
- Hejian Yinggang Plastic Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Shangyi Metal Structure Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Huzhou Delai Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shenzhen Kanglibang Science & Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Guangzhou Soar Environment Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yancheng Charles Electrical-Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Taizhou Yu Xiang Stainless Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Polysil Pipes India
- Main business:
- Caribbean RegionBermuda
- Tianjin Universal-Link Enterprise Ltd.
- Main business:
- Caribbean RegionBermuda
- Subhash Flanges and Fittings
- Main business:
- Caribbean RegionBermuda
- Foshan City Tong Yu Shun Metal Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Fuyou Steel Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shenzhen Neworigin Special Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Shunyun Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Xiamen Tong He Rubber Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Baokunsheng Steel Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhuji Sanjie Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Xiamen Deng Hong Silica Gel Product Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- golden pipe
- Main business:
- North AfricaEgypt