- Zibo Xinli Metal Products Co., Ltd.
- 全国主营:Pipe fittings
- Qingdao Zhengda Electrical Appliance Standard Component Factory
- 全国主营:Standard component
- Tai'an Standard Component Factory
- 全国主营:Standard component
- Yongkang Kangrong Foundry
- 全国主营:Tractor casting, Water pump casting
- Penglai Yuzhuang Town Yongheng Manufacturing Plant
- 全国主营:Iron elements
- Wenling Xingsheng Clamp Shaft Factory
- 全国主营:Clamp shaft, Nut
- Shandong Tongchuang Steel Structure Co., Ltd.
- 全国主营:Glass curtain wall, Bearing net rack, Glass lighting ceiling.
- Zhuji Square Screw Hardware Factory
- 全国主营:Screw cap
- Yongkang Haochuan No.3 Electrical Appliance Factory
- 全国主营:Electric hardware
- Laizhou Jiaxing Machinery Co., Ltd.
- 全国主营:Pipe wrench, Bench vices, Machine vices, Teflon tape, PVC tape, Carpenter machine, Grey iron casting, etc.
- Sichuan Huaxie Industrial General Co.
- 全国主营:Metal door and window, Prefab, etc.
- Tangshan Hongwei Industrial Co., Ltd.
- 全国主营:Wear-resistant steel ball, Fine fly ash, Household electric appliance.
- Chengdu Zhonghuan Fulin Materials Co., Ltd.
- 全国主营:Metal materials, Standard fastener, Electronic element, Building materials.
- Sichuan New Highway And Bridge Machinery Co., Ltd.
- 全国主营:Engineering goods
- Shenzhen Tongdesheng Electronics Co., Ltd.
- 全国主营:Electronic products
- Henan Highway Accessory Equipment Co., Ltd.
- 全国主营:Traffic facility
- Dezhou Ningjin Huatong Automobile Accessories Co., Ltd.
- 全国主营:Automobile gasoline tank
- Qingdao Anji Steel Cylinder Factory
- 全国主营:Steel cylinder
- Qingdao Xinhe Stationery Co., Ltd.
- 全国主营:Stationery clip, Staple, Clip.