- Yuhuan Grand Copper Co., Ltd.
- 全国主营:Valves, Pipe fittings, Plumbing and heating equipment
- Zhongshan Xintian Hardware Co., Ltd.
- 全国主营:Pull basket, Hanging tools, Kitchenware
- Longyan Shanli Engineering Hydraulic Co., Ltd.
- 全国主营:Hydraulic inner cylinder and various hydraulic component
- Foshan Tuqi Pipe Industry Co., Ltd.
- 全国主营:Thin wall stainless steel tubing and pipe fitting
- Ningbo Zongda Electric Appliance Spiral Spring Co., Ltd.
- 全国主营:Spiral spring of timer, Instrument, Spiral spring of toy etc.
- Wenzhou Tianhao Automobile Spare Parts Co., Ltd.
- 全国主营:Auto spare parts, Hardware fittings, Fasteners etc.
- Beijing Dirak Industrial Lock Co., Ltd.
- 全国主营:Lock, Hinge
- Beijing Jiewancheng Building Material Trading Co., Ltd.
- 全国主营:Automatic door
- Holand Huangjia Baodun Group Shanghai Office
- 全国主营:Revolving door
- Zhongtai Group
- 全国主营:Auto, Auto metal sheet, Auto mould, Auto motorcycle meter electric appliance, Electromechanical product
- Zhejiang Wuyi Shunfeng Chain Factory
- 全国主营:Chains.
- Yiwu Yiting Xitian Spring Factory
- 全国主营:Spring
- Taizhou Yuhuan Pipe Co., Ltd.
- 全国主营:PP-R cold/hot water pipe, Fitting
- Wuyi Wuyang Hardware Demo Plant
- 全国主营:Hardware pressing
- Taizhou Jiachang Bearing Co., Ltd.
- 全国主营:Bearings, Auto accessories, Motorcycle parts, Fasteners
- Yuhuan Huaxu Jinggong Machine Factory
- 全国主营:Auto accessories, Motorcycle fittings, Fasteners, Screw, Nut
- Taizhou Yuhuan Hengfeng Spring Factory
- 全国主营:Spring
- Taizhou Yuhuan Shuanglong Spring Factory
- 全国主营:Spring
- Yuyao Xiaokang Power Fittings Factory
- 全国主营:Screw