- Shanghai Yangtian Electromechanical Devices Co., Ltd.
- 全国主营:High and low voltage electric appliance cabinet, Hardware
- Dongfeng Zhongxiang Auto Spring Co., Ltd.
- 全国主营:Vegicle spring
- Hubei Jinchangjin Door Co., Ltd.
- 全国主营:Motor-driven door, Fire door and/or equipment.
- Ningbo Yinzhou Jiemei Machinery Fittings Plant
- 全国主营:Standard level coaxial fire tube
- Guangzhou Baitai Construction Machinery Co., Ltd.
- 全国主营:Engineering construction Machinery
- Zhenjiang Ruida Electronic Equipment Co., Ltd.
- 全国主营:Printed circuit board galvanization fittings.
- Beijing Shunlida Plastic Steel Door And Window Co., Ltd.
- 全国主营:Single glass and double glass sliding door, flat-open door, sliding window.
- Beijing Qisheng Automatic Door Co., Ltd.
- 全国主营:Automatic doors
- Nanjing Osaide Industrial & Trading Co., Ltd.
- 全国主营:Stainless steel plate, Belt, Decorative pipe.
- Cixi Huachi Hardware Co., Ltd.
- 全国主营:Wedge anchor, Drop-in anchor, Cut anchor, Sleeve anchor
- Guangzhou Aoye Performance Instrument Factory
- 全国主营:Aluminium alloy rack, Aviation box.
- Cangzhou Zhengxin Precision Casting Co., Ltd.
- 全国主营:Stainless steel products
- Guangzhou Yutai Hardware Plant
- 全国主营:Hardware
- Qinhuangdao North Metal Hose Co., Ltd.
- 全国主营:Metal bellows compensator
- Shenzhen Gaoyi High Precision Hardware Co., Ltd. Hebei Office
- 全国主营:Hardware product
- Shenzhen Gaoyi High Precision Hardware Co., Ltd. Shandong Office
- 全国主营:Hardware product
- Shenzhen Gaoyi High Precision Hardware Co., Ltd. Zhejiang Office
- 全国主营:Hardware product
- Foshan Lanshipeng Xingda Stainless Steel Material Co., Ltd.
- 全国主营:Stainless steel material and products.