- Beijing Changrong Industrial Company
- 全国主营:Jack, Steel structural parts
- Beijing Rongda Fire-fighting Engineering Co., Ltd.
- 全国主营:Building material
- Beijing Beibiao Chaoyu Standard Parts Co., Ltd.
- 全国主营:Fasteners, Building materials, Decoration materials
- Beijing Sijiqing Baoshan Cement Component Factory
- 全国主营:Cement component
- Qingdao Wangsheng Metal Products Co., Ltd.
- 全国主营:Metal products
- Beijing Yuhang Weiye Casting Co., Ltd.
- 全国主营:Metal structure
- Dongguan Hanyang Mechanical & Electronics Equipment Co., Ltd.
- 全国主营:Castings, Stamping parts
- Beijing Ludun Technology Development Co., Ltd.
- 全国主营:Well lid, Rain drain.
- Beijing Rongshengda Industrial And Trade Co., Ltd.
- 全国主营:Water tank, Chimney
- Beijing Yinhe Metal Structural Engineering Co., Ltd.
- 全国主营:Steel structure
- Shaanxi Jinyuan Communication Equipment Co., Ltd.
- 全国主营:Communication equipment
- Shaanxi Huayi Steel Structure Co., Ltd.
- 全国主营:Lightweight steel construction
- Ningxia Huanqiu Valve Co., Ltd.
- 全国主营:Valve, Water pump, Electric appliance, Pipe fittings.
- Shijiazhuang Baoshi Ruiming Plastic-steel Product Co., Ltd.
- 全国主营:Plastic pipeline
- Shijiazhuang Gaomei Foundry Co., Ltd.
- 全国主营:Cast iron sanitary ware, Stainless steel pipe fittings.
- Jimao Metal Product (shijiazhuang) Co., Ltd.
- 全国主营:Valve, Steel ball and its fittings.
- Shanghai Senyuan Industrial And Trade Co., Ltd.
- 全国主营:Fastener
- Meisi Gongfang (huizhou) Household Making Co., Ltd.
- 全国主营:Household supplies
- Makkee Hardware Machinery (shanghai) Co., Ltd.
- 全国主营:Mechanical equipment