- Hangzhou Yuanheng Industry And Trading Co., Ltd.
- 全国主营:Plastic steel door and window.
- Jiedong Trial Area Jinheng Jar Co., Ltd.
- 全国主营:Packing jar
- Shenzhen Jingzuan Precision Tool Co.
- 全国主营:Precision tool.
- Penglai Huida Metal Products Co., Ltd.
- 全国主营:Forge-welded steel grating plate
- Shenzhen Fuhongyuan Knife Technology Co., Ltd.
- 全国主营:Cutting tool
- Guangzhou Baide Automobile Product Co., Ltd.
- 全国主营:Automobile product
- Chengdu Kailong Precision Machinery Manufacturing Co., Ltd.
- 全国主营:Mechanical product
- Jining Huihuang Steel Structure Engineering Co., Ltd.
- 全国主营:Steel structure products
- Wenzhou Shuangbao Special Door And Window Co., Ltd.
- 全国主营:Burglarproof steel door and window
- Jinan Dingxin Storage Rack Design Company
- 全国主营:Storage rack
- Shanghai Dikang Plastic Pipe Co., Ltd.
- 全国主营:Environmental friendly plastic pipe, Pipe fittings
- Quzhou Luobang Steel Structure Co., Ltd.
- 全国主营:Steel structure workshop, Electric extension, Steel plate, Metal material
- Shanghai Qirui Stage Equipment Installation Engineering Co., Ltd.
- 全国主营:Stage equipment
- Kunshan Tianyuan Pipe Fittings Co., Ltd.
- 全国主营:Tubing and fittings
- Yangzhong Yongxin Industrial Co., Ltd.
- 全国主营:Steel cable testing framework of bridge, Fireproofing framework of bridge, Aluminium alloy framework of bridge, Fiberglass reinforced plastics framework of bridge
- Changzhou Wujin Guocheng Sunan Mechanical Equipment Co., Ltd.
- 全国主营:Machine tool, Machinery fittings
- Wuxi Chengong Roof Window Factory
- 全国主营:Lucarne
- Tenghui Door Company
- 全国主营:Sluice gate