- Hangzhou Winner Imp & Exp Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Weilian Commerce Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Cangzhou Yahaijingtong Pipes Industries Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Tennid Tube Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Shenzhou Pipe Industry Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Yuhe Piping Systems Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Taizhou Kolego Hardware Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shandong Yongshunchang International Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yuno Enterprise Service Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Jiangsu Kingertai Decoration Material Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Shuanghesheng Steel Sales Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Baotou Great Resources International Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wuxi Dixin Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Langfang Yida Gardening Plastic Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- HUZHOU BAOHUA STAINLESS STEEL TUBE CO., LTD.
- Main business:
- Caribbean RegionBermuda
- Beisier Sanitary Ware Industry Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Tianjin Wellmade Steel Co. Ltd.
- Main business:
- Caribbean RegionBermuda
- Panan Feihu Plastic Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Yahaijintong Pipe Industries Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Quan Tong Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda