- Shouguang Xinda Oil Machinery Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wudi Kefeng Stainless Steel Products Co.,Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Zhenhai Zonglan Machinery Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cixi Zonghan Jianye Hardware Parts Factory
- Main business:
- Caribbean RegionBermuda
- Hubei Meida Electric Appliance Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Foshan Shunde Gaosu Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Xinguanghua Plastic Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanxi Tianzhu Casting Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Jiangsu Daming Corrugated Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Cangzhou Sinhoo Pipeline Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Zhejiang Yiwu Weifan Building Materials Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Haihao Group Steel Pipe Engineering Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yantai Yunsheng Petroleum Machine Accessories Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Jingyuantong Valve & Pipeline Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- CITIZEN METAL DEPOT
- Main business:
- Caribbean RegionBermuda
- Tianjin Huihua Valve Industry Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- KIVA TECHNOLOGY CORPORATION
- Main business:
- Caribbean RegionBermuda
- Shandong Everbright Pipeline Equipment Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Cheng Gang Xing Ye Steel Trading Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wuxi Eastsun Trade Co., Ltd.
- Main business:
- Caribbean RegionBermuda