- Ningbo Beilun Lingsheng Industrial & Trade Co., Ltd.
- 全国主营:Precision castings
- Tonglu Changda Bicycle Fittings Factory
- 全国主营:Chains
- Zhuzhou Kuohai Industrial Co., Ltd. Hongda Machinery Branch
- 全国主营:Cast, Steel-casting, Ironcasting
- Yuedong Cast Steel Industrial Co., Ltd.
- 全国主营:Ironcasting, Steel castings
- Beijing Dangdai Mould Research Institute
- 全国主营:Mould
- Zhuhai Yusen Industrial Co., Ltd.
- 全国主营:Fasteners
- Zhijiang Xiangyuan Industrial Co., Ltd.
- 全国主营:Cast, Ironcasting
- Dalian Lushun Jinxin Metal Packing Container Factory
- 全国主营:Metal packing container.
- Yuyao Hengdong Industrial Co., Ltd.
- 全国主营:Fasteners
- Yingyang Rongxing Industrial Co., Ltd.
- 全国主营:Flanges, Valves
- Xinjiang Qiangxin Foundry Co., Ltd.
- 全国主营:Steel castings
- Cixi Jingzhi Industrial Co., Ltd.
- 全国主营:Fasteners
- Sanming Yongxin Industrial And Trade Co., Ltd.
- 全国主营:Steel balls
- Jiande Yichang Tool Firm
- 全国主营:Hardware products
- Dongguan Guanhui Furniture And Hardware Industrial Co., Ltd.
- 全国主营:Furniture hardware fittings.
- Tianjin Pulong Technology Co., Ltd.
- 全国主营:Electric handrail
- Beijing Xingdesheng Industrial And Trade Co., Ltd.
- 全国主营:Metal thread joint
- Yiyuan Baoyuan Precision Steel-casting Co., Ltd.
- 全国主营:Steel castings, Steels
- Shanghai Yongye Electronic Technology Co., Ltd.
- 全国主营:Mold, Hardware stamping products