- Shijiazhuang Shuangying Pipe Fittings Factory
- 全国主营:Pipe fitting.
- Shijiazhuang Shengda Pipe Fitting Factory
- 全国主营:Pipe fittings.
- Shijiazhuang Changsheng Pipe Fittings Factory
- 全国主营:Pipe fittings.
- Shijiazhuang Sihai Commerical And Trade Company Limited
- 全国主营:Small hardware, Lamp ornament
- Longyao Weizhuang Jobbing Foundry
- 全国主营:Casting
- Longyao Shengli Jobbing Foundry
- 全国主营:Casting
- Xingtai Longyao Mechanical Jobbing Foundry
- 全国主营:Casting
- Zhangjiakou Xunda Plumbing And Heating Building Materials Co., Ltd.
- 全国主营:Building materials
- Langfang Hongfa Machinery Factory
- 全国主营:Automobile accessories
- Baixiang Precision Casting Co., Ltd.
- 全国主营:Casting
- Shijiazhuang Shuanghuan Malleable Steel Factory
- 全国主营:Pipe fittings.
- Ligu Casting (dalian) Co., Ltd.
- 全国主营:Grinding fastener, Castings and forgings
- Dalian Fulida Machinery Manufacture Co., Ltd.
- 全国主营:Metal tubeplate weld assembly, Iron castings
- Dalian Haiwei Metal structure plant
- 全国主营:Other metal goods
- Changsha Chengfeng Machine Room Equipment Plant
- 全国主营:Case, Cabinet, Console desk, Wall sized TV monitor
- Dalian Beifang Large-sized Metal Structure Factory
- 全国主营:Metal product
- Dalian Taihua Industry & Trade Co., Ltd.
- 全国主营:Nail
- Baotou Iron And Steel Group Xingyuan Industrial Co., Ltd.
- 全国主营:Chemical fertilizer, Pipe fittings