- China Zhong Gang Xing Stainless Steel Hardware Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Shenzhen Zhuxiang Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Beijing Shengtian Piping Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Semi Conduits Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- JINAN FANDA E&T Co., LTD
- Main business:
- Caribbean RegionBermuda
- Shanxi Xingyuan Precision Casting Co.Ltd.
- Main business:
- Caribbean RegionBermuda
- CANGZHOU QIANCHENG STEEL PIPE CO.,LTD
- Main business:
- Caribbean RegionBermuda
- Qingdao Evercred International Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Hongfeng Precision Casting Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Ningbo Aimiduo Copper Valves Co,Ltd
- Main business:
- Caribbean RegionBermuda
- Foshan Ouyaxin Welded Pipe Machinery & Mould Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Hebei Yanshan Electric Power Pipe Fitting Co,. LTD.
- Main business:
- Caribbean RegionBermuda
- Risong Polypipe Manufacturer Co., Ltd
- Main business:
- Caribbean RegionBermuda
- Xiamen Shuangyuan Gas Spring and Spring Ind Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Cixi City Jiguan Electronic and Science Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shitong Iron and Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Jintai Pipe Products Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Jewelry Fluid Valve Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Qingdao Xinhe Nicety Casts Ware Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Suzhou Rainbow Environmental Equipment Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda