- Shandong Sinomin Rubber Group
- Main business:
- Caribbean RegionBermuda
- Zhengning Xinan Sheet and Steel Pipe Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ningbo Hi-Teach Zone Leelongs Sanitary Ware Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Guang-Xin Tong Metal Materials Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Xiamen Jeitian Technology Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Hebei Zhuorun Oil and Gas Pipeline Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Baitai Stainless Steel Tube Manufacturing Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Ruichao Electronics (Hk) Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Hanwei Piping Technology Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Xinghua Suyuan Jingwei Pipes Manufacture Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Huzhou Xinyaohua Stainless Steel Pipes &Tubes Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Anhui Shengxin Group Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Yangzhou Lontrin Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Guangzhou Julang Exhibition Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Hebei Dongtaixing Steel Tube Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Shanghai Tianyang Steel Tube Co.,Ltd
- Main business:
- Caribbean RegionBermuda
- Advantest Packaging (Shenzhen) Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Wenzhou Heed Steel Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Guangdong Galuminium Group Co., Ltd.
- Main business:
- Caribbean RegionBermuda
- Tianjin Shunyida Steel Co,Ltd
- Main business:
- Caribbean RegionBermuda