- 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
- Rui'an Tengli Automobile Components Co., Ltd.
- 全国主营:Auto accessories, Fastener
- Taizhou Luqiao Hanhua Grain Machine Factory
- 全国主营:Grain equipment
- Yongkang Nailida Grinding Wheel Factory
- 全国主营:Grinding disc, Steel wire wheel
- Quzhou Longyou Deruibao Metals Co., Ltd.
- 全国主营:Fasteners
- Taizhou Luqiao Hongfeng Aqueduct Compensator Factory
- 全国主营:Compensator, Water nozzle, Valves
- Beijing Fengtuo Safety Engineering Co., Ltd.
- 全国主营:Electrical appliance
- Taizhou Yumen Chumen Zhouyang Precision Fittings Factory
- 全国主营:Fasteners
- Taizhou Yuhuan Chengguan Auto Accessories Factory
- 全国主营:Auto accessories, Punched parts
- Taizhou Luqiao Yunke Machinery Fittings Factory
- 全国主营:Pump & parts, Watercourse fittings, Sprayer accessories
- Dongtou Donghai Ship Industrial Development Co.
- 全国主营:Ship fittings
- Zhejiang Yuhuan Meibo Copper Co., Ltd.
- 全国主营:Plumbing fittings, Fasteners
- Yuhuan Xinhai Heavy Machinery Co., Ltd.
- 全国主营:Auto accessories, Autocycle fittings, Hot-gas duct fittings, Valves, Pipe fitting
- Wenling Hongye Spring Co., Ltd.
- 全国主营:Spring
- Longyou Tonghai Waterpower Self Control Shutter Gate Co., Ltd.
- 全国主营:Waterpower self control shutter gate
- Taizhou Yuhuan Hongyuan Machinery Plant
- 全国主营:Auto accessories, Autocycle fittings, Fasteners, Sems screws, Bolt, Nut
- Jinhua Jikuan Hardware Co., Ltd.
- 全国主营:Spring, Hardware