- Beijing Yanshan Spring Factory
- 全国主营:Spring
- Beijing Hangxinda Technological Development Co., Ltd.
- 全国主营:Corrugation compensator
- Shandong Huayun Musical Instrument Trading Co., Ltd.
- 全国主营:Musical instrument
- Shandong Yuhua Medical Electricity Co., Ltd.
- 全国主营:Microcomputer high frequency surgical knife, Microcomputer multifunctional argon knife
- Beijing Tongzhouqu Xinghua Steel-wood Door And Window Factory
- 全国主营:Steel-wood door and window.
- Beijing Kanggang Template Co., Ltd.
- 全国主营:Metal structure.
- Foshan Nanhai Songgang Stainless Steel Ware Co., Ltd.
- 全国主营:Stainless steel tubing and products
- Beijing Fatou Casting Co., Ltd.
- 全国主营:Casting and forgings.
- Gu'an Dingli Pressure Vessel Co., Ltd.
- 全国主营:Pressure vessel, Stainless steel hygienic pipe fitting valve.
- Shenzhen Jinjing Trade Co., Ltd.
- 全国主营:HAN obstruction explosion-proof prying-installed type fueling gear
- Sihui Jixin Hardware Screen Factory
- 全国主营:Screen
- Shandong Rongguang Stainless Steel Product Co., Ltd.
- 全国主营:Stainless steel vessels, Pipe fittings
- Shandong Ningmei Hose Co., Ltd.
- 全国主营:Polyurethane, Nylon, Teflon, Perfluoro, Metal hose.
- Shandong Linyi Junbo Hardware Grinder Company
- 全国主营:Grinding wheel
- Beijing Shenghua Steel Window Factory
- 全国主营:Metal door and window, Metal structure
- Shandong Jiuzhou Electric Power Traffic Facilities Co., Ltd.
- 全国主营:Anti-stop block, Upright column, Post hat, Outline sign
- Jinzhou Precise Cast Steel Factory
- 全国主营:Steel castings.
- Shijiazhuang Changsheng Metal Manufacturing Co., Ltd.
- 全国主营:Pipe fitting.
- Shijiazhuang Xinshe Pipe Fittings Factory
- 全国主营:Pipe fittings.
- Shijiazhuang Jianbei Pipe Fittings Factory
- 全国主营:Pipe fittings.