- Tianjin Meigu Plastic-steel Door And Window Co., Ltd.
- 全国主营:Plastic-steel door and window.
- Guangdong Xindu Environmental Protection Industrial Co., Ltd.
- 全国主营:Environmental protection equipment
- Yixing Taixing Environmental Protection Co., Ltd.
- 全国主营:Environmental protection equipment.
- Ma'anshan Dongnanshan Industrial Co., Ltd.
- 全国主营:Precision castings, Steel castings, Iron castings
- Beijing Jiexin Technology Co., Ltd.
- 全国主营:Sanitary bath product.
- Beijing Honghegu Technical Research Institute
- 全国主营:Water treatment equipment
- Jinan Kunye Package Co., Ltd.
- 全国主营:Metal packing drum
- Shenzhen Modun Industrial Co., Ltd.
- 全国主营:Arts and crafts
- Zhucheng Longhe Valve Co., Ltd.
- 全国主营:Steel castings, Iron castings
- Wu'an Spring Plant
- 全国主营:Varieties of PHI0.2-50mm special springs and irregular springs.
- Zibo Zhangdian Shanshui Foundry
- 全国主营:Ball mill, Steel castings, Iron castings
- Shijiazhuang Tianma Foundry Co., Ltd.
- 全国主营:Casting.
- Fanya Metal Product (shijiazhuang) Co., Ltd.
- 全国主营:Steel wire rack, Steel wire products.
- Shijiazhuang Shengyi Packing Articles Co., Ltd.
- 全国主营:Bottle top, Tin printing product.
- Hebei Longsheng Metal Plates Processing Co., Ltd.
- 全国主营:Metal product.
- Shanxi Shanfeng Stainless Steel Industry Co., Ltd.
- 全国主营:Stainless steel pipe fittings product.
- Shanxi Maole Bridge Accessory Co., Ltd.
- 全国主营:Experiment mapping instrument for highway engineering.
- Ningbo Jingu Hardware Industry Co., Ltd.
- 全国主营:Metal fastening.
- Hebei Fangtai Stainless Steel Clad Steel Tube Co., Ltd.
- 全国主营:Stainless steel clad steel tube
- Zibo Zihao Industry Co., Ltd.
- 全国主营:Automobile flat spring, Laminated spring for agricultural vehicle