- Luoyang Qinling Rolling Curtain Door Factory
- 全国主营:Door and window
- Luoyang Haiyu Electronic Co., Ltd.
- 全国主营:Alarm device, Doorbell, Rolling gate
- Luzhou Shengong Forged Co., Ltd.
- 全国主营:Steel forging
- Longkou Rigging General Factory
- 全国主营:Steel wire rope hank tie, Screw.
- Nanjing Hongyan Machine Manufacturing Co., Ltd.
- 全国主营:Cast iron parts, Galvanized iron parts
- Lingyuan Hengxing Steel & Plastic Co., Ltd.
- 全国主营:Casting, Alloy steel castings
- Linyi Boiler Fittings General Factory
- 全国主营:Boiler fittings.
- Chongqing No. 2 Standardized Parts Factory
- 全国主营:Fastening, Standard parts.
- Hebei Zhaodu Metal Products Co., Ltd.
- 全国主营:Hardware products
- Qingdao Licang Zhengtong Standard Component Factory
- 全国主营:Hardware standard parts
- Yueqing Hongwei Stationery Co., Ltd.
- 全国主营:Newspapers amd periodicals rack
- Hebei Yiteng Digital Technology Co., Ltd.
- 全国主营:Computer system, Multimedia equipment
- Hebei Siweite Metal Fibre Co., Ltd.
- 全国主营:Metal fibre
- Yangzhou Success Machine Co., Ltd.
- 全国主营:Compressor, Oxygenerator, Refrigerating machine fittings
- Guangzhou Ruizhi Plastic Mould Co., Ltd.
- 全国主营:Plastic mould
- Dongguan Kaixin Hardware Co., Ltd.
- 全国主营:Hardware
- Dongguan Kaiyue Plastic Hardware Product Co., Ltd.
- 全国主营:Large sized blow moulded parts, Hardware parts
- Hebei Shiji Metal Structure Co., Ltd.
- 全国主营:Steel structure
- Shiyan Hongya Industrial Company Foundry
- 全国主营:Ironcasting
- Yantai Import And Export Corporation
- 全国主营:Hardware tool, Textile, Garment, Cereals and oils and foodstuff, Mechanical and electrical products, Light industrial product, Chemical product