- Changzhou Donghai Complete Pneumatic Hydraulic Equipment Factory
- 全国主营:Pneumatic component, Standard parts
- Guangzhou Haiqing Machine Fittings Co., Ltd.
- 全国主营:Machine fittings
- Guangzhou Haoyi Hardware Co., Ltd.
- 全国主营:Fastener, Bag and suitcase, Hardware fittings etc.
- Zigong Hydraulic Pipe Fitting Factory
- 全国主营:Hot-pressed pipe fitting, Automobile parts, etc.
- Yongkang Haochuan Electromechanical Fittings Factory
- 全国主营:Electric hardware
- Jinan Aokexin Sealing Material Co., Ltd.
- 全国主营:Sealing material, Flexible graphite
- Yuhuan Huanghai Machinery Works
- 全国主营:Bolt
- Qingtian Keji Valve Factory
- 全国主营:Low pressure valve, Steel castings
- Minhou Dayuan Special Art Factory
- 全国主营:Leather suitcase, Jewelry, Flower tray
- Changle Daibian Sand-cast Factory
- 全国主营:Iron castings
- Wuxi Yuntong Stainless Steel Chain Factory
- 全国主营:Stainless steel chain, Mesh belt, Chain wheel
- Cangzhou Dinghao Electric Pipe Fittings Co., Ltd.
- 全国主营:High pressure alloy tubing, Pipe fittings
- Guang'an Yuechi Yinhe Packing Co., Ltd.
- 全国主营:Packing product, Metal pail
- Cangzhou Zhongtian Stamping Parts Co., Ltd.
- 全国主营:Stainless steel stamping parts, Stretching parts
- Yangzhou Feichi Group Corp.
- 全国主营:Electric bicycle, Domestic kitchen garbage disposal device, Motorcycle hydraulic braking disc
- Wuxi Jinda Rubber-plastic Hardware Co., Ltd.
- 全国主营:Rubber-plastic gib
- Shenzhen Haori Tube Industry Technology Co., Ltd.
- 全国主营:Steel-plastic composite tubing and pipe fittings etc.
- Hebei Yanshan Changhui Pipe Fittings Company
- 全国主营:Pipe fittings, Steel tube
- Hebei Mengcun Langbo Pipe Fittings Factory
- 全国主营:Tubing, Bend, Large bend and Flange etc.
- Cangzhou Donghai Power Pipe Fittings Co., Ltd.
- 全国主营:Pipe fittings