- Hangzhou Amethyst Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Rongsheng Pipeline Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Nanjing Jianhui Composite Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Fenghua Tianhui Refrigeration Fittings Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Tongergu Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Qingdao Vaston Imp.& Exp. Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Baitahu Pipe Fitting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Longkou Bailing Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Puyang East Long Machinery Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shijiazhuang Shenghongyuan Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yongkang City Wu He Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Tongshun Mold & Plastics Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuyao Lianda International Trade Limited Company
- Main business:
- Caribbean RegionBermuda
- Dongguan Guang Ju Metal&Plastic Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Economic & Technology Development Zone Xing Long Copper Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhuji Centurysky Import & Export Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Taizhou San China Imp & Exp Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jingxinli (Beijing) Digital Science & Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- BETTER ENTERPRISE CO LTD
- Main business:
- Caribbean RegionBermuda
- Haiyan Yipu Machinery Fine Classified Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda