- Tai'an Zhongyi Metal Material And Product Co., Ltd.
- 全国主营:Mill rolls, Casting
- Wuxi Huaze Metal Products Co., Ltd.
- 全国主营:Steel strip
- Shanghai Dongyan Machinery Parts Co., Ltd.
- 全国主营:Machinery parts
- Tianjin Dongqiang Hardware Co., Ltd.
- 全国主营:Fastener
- Rui'an Yili Standard Component Co., Ltd.
- 全国主营:Standard component
- Shanghai Shenye Fastener Co., Ltd.
- 全国主营:Fastener
- Foshan Huanglian Lihua Hardware Standard Parts Factory
- 全国主营:Hardware
- Beijing Xingyandu Industrial And Trade Co., Ltd.
- 全国主营:Metal structure
- Shanghai Maohua Industrial Co., Ltd.
- 全国主营:Stainless steel product, Steel structure engineering
- Shanghai Pudongxinqu Metal Structural Component Factory
- 全国主营:Steel window, Steel door, Steel shutter, Aluminium alloy door, Aluminium alloy window, Duralumin shutter
- Liyang Xinxin Chain Co., Ltd.
- 全国主营:Chains
- Huocheng No.1 Construction And Installation Co., Ltd. Steel Window Factory
- 全国主营:Steel window, Steel door
- Baoji Rentai Industry And Trade Co., Ltd.
- 全国主营:Electrical & mechanical product, Mechanical equipment, Industrial chemicals, Stainless steel fittings
- Baoji Lianliheng Electric Power Technology Development Co., Ltd.
- 全国主营:Burglarproof screw
- Shaanxi Dongling Industry And Trade Group Co., Ltd.
- 全国主营:Metal zinc, Iron wire round nail, Cold-drawn wire
- Sichuan Shehong General Machinery Co., Ltd.
- 全国主营:Architectural machines, Pressure container
- Pingliang Books Equipment Factory
- 全国主营:Steel books equipment, Burglar-proof door series products