- Harbin Yichang Chain Factory
- 全国主营:Chain
- Harbin Yafeng Machine Factory
- 全国主营:Boiler fittings
- Ji'nan Luyang Forging Co., Ltd.
- 全国主营:Flange, Forged flange plate, Welded tube fitting, Casting valve
- Harbin Machine Chain Factory
- 全国主营:Chain
- Harbin General Mechanical And Electrical Equipment Co., Ltd.
- 全国主营:Mine equipment
- Harbin No. 1 Machine Factory Industrial Company
- 全国主营:Full-element chemical fertilizer, Building materials, Garment, Lime, Sodium silicate
- Hai'an Hongda Machinery Fittings Factory
- 全国主营:Connector
- Hai'an Special Standard Parts Factory
- 全国主营:Standard parts
- Harbin Xilian Cereal And Oil Equipment Factory
- 全国主营:Cereal and oil equipment
- Zibo Dacromet Coating Industrial Co., Ltd.
- 全国主营:Coating product.
- Foshan Wenyang Stationery Manufacturing Co., Ltd.
- 全国主营:Stationery
- Suzhou Shengneng Machinery Co., Ltd.
- 全国主营:Spring and hardware stamping parts.
- Foshan Shunpu Steel Mesh Products Co., Ltd.
- 全国主营:Cold rolled rib reinforcing steel bar, Reinforcing steel bar welding net
- Foshan Ronggui Baifu Hardware Manufacturing Co., Ltd.
- 全国主营:Liquefied petroleum gas steel cylinder, Air compressor air collector
- Yuhuan Jieyuan Tap Equipment Co., Ltd.
- 全国主营:Valve of toilet ware
- Taishan Machinery Factory Co., Ltd.
- 全国主营:Steel cylinder, Minitype air press, Air reservoir, Air pump, Pressure container, etc.
- Tianjin Yahu Iron Art Co., Ltd.
- 全国主营:Iron art product.
- Stx Heavy Industry (fushun) Co., Ltd.
- 全国主营:Casting
- Guangdong Senyan Hardware Products Co., Ltd.
- 全国主营:Warehouse cage