- Yantai Golden Ground Precise Apparatus Co., Ltd.
- 全国主营:Machine needle and fittings
- Hangzhou Xiaoshan Huatong Communication Equipment Factory
- 全国主营:Metal spring, Post and telecommunications hanger, Post and telecommunications iron pieces
- Quanzhou Internal Combustion Engine Fittings Factory
- 全国主营:Internal combustion engine fittings.
- Lushunkou Tieshan Cast Pipe Factory
- 全国主营:Pipe fittings, Well cover, Guardrail, Guardrail decorations
- Shanghai First Machine Tools Foundry
- 全国主营:Casting
- Dalian A.t. Steel Building Industrial Co., Ltd.
- 全国主营:Therma steel
- Beijing Beipao Jinjian Steel Structure Color Plate Engineering Co., Ltd.
- 全国主营:Metal arch form roofing, Steel structure
- Shanghai Dongfeng Hardware Co., Ltd. Wuhan Branch
- 全国主营:Foot spring
- Dongguan Weihua Hardware Co., Ltd.
- 全国主营:Lamp hardware fittings
- Xinbang (guangzhou) Co., Ltd.
- 全国主营:Liquid fixed quantity disgorging unit
- Rui'an Laolesi Plumbing And Heating Equipment Co., Ltd.
- 全国主营:Plumbing and heating equipment
- Shandong Luneng Guangda Electric Power Equipment Co., Ltd.
- 全国主营:Electric power armour clamp.
- Qingdao Xinwantong Plastic Industry Development Co., Ltd.
- 全国主营:Tubing, Pipe fittings
- Shanghai Rongyi Industrial And Trade Co., Ltd.
- 全国主营:Standard parts
- Renqiu Hongyan Telecommunications Equipment Factory
- 全国主营:Steel structure products
- Quanzhou Yuanquan Automatic Door Co., Ltd.
- 全国主营:Induction automatic door.
- Beijing Zhongcheng Construction Technology Development Company
- 全国主营:Automatic garage door, Courtyard door, Retractable door and Handrail floriation.
- Wenzhou Yongtong Tubing Factory
- 全国主营:Stainless steel product.
- Shaanxi Steel And Iron Research Institute Metal Product Branch
- 全国主营:Metal product.