- Wuhan Xintu Engineering Fibre Manufacturing Co., Ltd.
- 全国主营:Steel fibre and steel fibre equipment
- Wuhan Wugang Beihu Machinery Manufacture Co., Ltd.
- 全国主营:Machinery parts
- Wuhan Yijia Economic And Trade Development Co., Ltd.
- 全国主营:Steel wire rope, Steel wire
- Changzhou Machinery & Equipment Imp. & Exp. Co., Ltd.
- 全国主营:Diesel engine, Tractor, Construction machinery, Power transmission machinery, Chemical products, etc.
- Qingzhou Dongfang Steel Ball Co., Ltd.
- 全国主营:Steel ball.
- Weifang Huaxin Casting Machinery Co., Ltd.
- 全国主营:Castings, Impeller.
- Linqu Light Steel Keel Factory
- 全国主营:Light steel keel.
- Zhaoyuan Packing Container Factory
- 全国主营:Paper barrel, Iron barrel.
- Zhaoyuan Yuanxing Machinery Manufacture Co., Ltd.
- 全国主营:Standard fastener.
- Penglai Xinghua Machinery Industry Co., Ltd.
- 全国主营:Semi-trailer box, Corrugated tube for fueling machine.
- Yantai Huoyanshan Boiler Co., Ltd.
- 全国主营:Industrial boiler, Pressure container.
- Shenzhen Jinli Steel Structure Engineering Co., Ltd.
- 全国主营:Steel structure house
- Rizhao Jialin Pipe Fittings Co., Ltd.
- 全国主营:Metal pipe fitting
- Qingdao Guangyuanfa Glass Co., Ltd.
- 全国主营:Glass product
- Qingdao Yueda Site Rigging Co., Ltd.
- 全国主营:Various riggings
- Yantai Dongfa General Fittings Industrial Co., Ltd.
- 全国主营:Fastener
- Jinan Xingbang Machinery Co., Ltd.
- 全国主营:Metal engineering structural unit, Non-standard equipment.
- Xinbao (dezhou) Industrial Co., Ltd.
- 全国主营:Pipeline fittings, Rubber product
- Laizhou Laisuo Produce Co., Ltd.
- 全国主营:Turnbuckle, Rigging fittings