- Rizhao Boxijia Standard Parts Co., Ltd.
- 全国主营:Standard part, Nonstandard part
- Changzhou Qinglong Metal-welding Co., Ltd.
- 全国主营:Metal welding product
- Changzhou Wuxing Handicraft Product Co., Ltd.
- 全国主营:Steel ball
- Shenyang Weizhong Rotary Machinery Co., Ltd.
- 全国主营:Whole set of electromechanical equipment for rotary machinery
- Foshan Nanhai Lianxing Standardized Parts Factory
- 全国主营:Hardware
- Shanxi Dameike Flange Pipe Fittings Co., Ltd.
- 全国主营:Flange pipe fittings.
- Shanxi Jingyi Flange Pipe Fittings Co., Ltd.
- 全国主营:Flange, Pipe fittings
- Taiyuan Taicheng'aijiu Foundry Co., Ltd.
- 全国主营:Cast iron product.
- Shanghai Haruikesi Metal Product Co., Ltd.
- 全国主营:Architectural metal product.
- Shanxi Jinbaote Mechanical Industry Co., Ltd.
- 全国主营:Castings
- Shaanxi Weilun Industry And Trade Co., Ltd.
- 全国主营:Macromolecule repairing product
- Taizhou Minghao Door Co., Ltd.
- 全国主营:Garage door
- Ningbo Jiuhe Daily Commodities Co., Ltd.
- 全国主营:Screw.
- Gongyi Qiangli Metal Wire Rod Factory
- 全国主营:Series equipments such as Carbon steel wire, Stranded steel wire, Metal product. etc.
- Ningbo Dongfang Air-conditioning Engineering Co., Ltd.
- 全国主营:Air conditioning equipment.
- Foshan Shannan Tangbei No.2 Spring Factory
- 全国主营:Spring
- Donggang Tian'an Container Co., Ltd.
- 全国主营:Expansion joint of metal corrugated pipe
- Shangqiu Suiyang Yaxi Decoration Door Board Factory
- 全国主营:Sound insulation door
- Hebei Wanfang Standard Parts Industrial Co., Ltd.
- 全国主营:Bolt, Splitpin, Pin axle.