- Shandong Sanwei Steel Structure Co., Ltd.
- 全国主营:Steel structure material, Colour plate, Architectural machines, Net frame, Composite door, Stainless steel product
- Tianjin Jindong Xinsheng Spring Factory
- 全国主营:Spring
- Pingdingshan High Strength Standard Parts Co., Ltd.
- 全国主营:Standard component
- Tianjin Haina Hardware Processing Factory
- 全国主营:Die casting
- Tianjin Tanggu Jinqing Machining Factory
- 全国主营:Metal structural member
- Shanghai Puying Building Hardware Co., Ltd.
- 全国主营:Iron nail.
- Tengzhou Precise Joint Hose Co., Ltd.
- 全国主营:Revolving joint, Metal flexible tube, Plastic-coated tube
- Shanghai Murga Steel Abrasives Co., Ltd.
- 全国主营:Steel shot abrasive, Steel shot abrasive tools.
- Xinxiang Taixing Spring Manufacturing Plant
- 全国主营:Spring
- Shanghai Huateng Metal Processing Co., Ltd.
- 全国主营:Metal ware.
- Shanghai Lianying Screw Co., Ltd.
- 全国主营:Screw, Rivet, Hardware, etc.
- Shanghai Sandmann Foundry Co., Ltd.
- 全国主营:Industrial iron casting and its components and parts, Mould.
- Shanghai Qisheng Metal Container Co., Ltd.
- 全国主营:Metal container.
- Shanghai Boli Plastic And Steel Door And Window Co., Ltd.
- 全国主营:Plastic profiles, Plastic and steel door and window.
- Shanghai Zhongxu Spring Co., Ltd.
- 全国主营:Spring, Stamping parts.
- Shanghai Ziyan Mold Forming Co., Ltd.
- 全国主营:Mould
- Shanghai Shengdao Metal Ware Co., Ltd.
- 全国主营:Supermarket goods shelf.
- Shantou Chaoyue Metal Product Co., Ltd.
- 全国主营:Standard parts, Mould, Small hardware.
- Shanghai Zhongbo Ship Co., Ltd.
- 全国主营:Steamship fittings