- Tianjin Jinghai Huixin Industry And Trade Co., Ltd.
- 全国主营:Graphite electrode, Scaffold, Galvanized wire, Iron wire, Oranment, Welding powder, Salted vegetable, Reed curtain, Glasswork, Willow products.
- Nantong Tonghua Biochemistry Equipment Co., Ltd.
- 全国主营:Biochemical equipment, Nonferrous metal, Hardware engineering electricity, Steelwork unit, Grain and oil equipment, Cosmetics, Clothing, Building materials, Decoration materials, Domestic appliance.