- Junan Chengsheng Steel Aluminum Product Factory
- 全国主营:Aluminium alloy plates, Solar fittings
- Shandong Banghe Group
- 全国主营:Casting.
- Zaozhuang Gaoke Trading Co., Ltd. Liangshifu Food Equipment Factory
- 全国主营:Foodstuff display cabinet, Cooling box
- Tai'an Fuyuan Steels Co., Ltd.
- 全国主营:Steels
- Tai'an Shidi Geotechnical Engineering Material Co., Ltd.
- 全国主营:Geotechnical engineering material
- Zhongshan Nantou Zhenbao Hardware Plumbing Factory
- 全国主营:Hardware, Plumbing equipment, Toilet and bathing product.
- Tongli Door Industry Manufacture Co., Ltd.
- 全国主营:Electric door, Copper door and others
- Shenzhen Wohua Technology Co., Ltd.
- 全国主营:Safety guard product, Broadcast conference product and others
- Juhua Engineering Co., Ltd. Steel Cylinder Factory
- 全国主营:Steel cylinder
- Sihui Yatai Stainless Steel Material Co., Ltd.
- 全国主营:Stainless steel material
- Leshan Shawan Qianmao Wear Resistant Material Factory
- 全国主营:Wear resistant material
- Yantai Jufeng Industry And Trade Co., Ltd.
- 全国主营:Security door
- Zaozhuang Hongwei Plastic Machinery Manufactory
- 全国主营:Plastic machinery
- Jieyang Zhonghai Stationery Co., Ltd.
- 全国主营:Tin writing case, Iron tank, Iron wire craft.
- Yongkang Chengyi Chain Driving Co., Ltd.
- 全国主营:Chain
- Yuhuan Sanqiu Hardware & Plastic Factory
- 全国主营:Pipe bundle, Stainless steel hoop
- Yantai Feida Metal Product Co., Ltd.
- 全国主营:Metal product
- Binzhou Special Type Alloy Co., Ltd.
- 全国主营:Wear-resistant gasket.
- Shijiazhuang Hengda Titanium Filtration Equipment Co., Ltd. Shenzhen Office
- 全国主营:Titanium filtration equipment