- 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
- Wenzhou Dingsheng Standard Parts Co., Ltd.
- 全国主营:Fasteners, Screw, Nut
- Wenzhou Huazheng Steel Tube Factory
- 全国主营:Stainless steel tubes, Pipe fittings
- Shiyian Automobile Cylinder Liner Factory Industry Development Company
- 全国主营:Cylinder liner
- Beijing Jingfenghuapeng Electrical Equipment Factory
- 全国主营:Electrical appliance