- Dalian Jinzhou Maolong Industry Co., Ltd.
- 全国主营:Valve, Upper and lower water weel lid, Cast iron product.
- Qingdao Xinghuo Group Co., Ltd.
- 全国主营:Textile machinery, Hardware apparatus, Environmental protection equipment, Steel structure, Building material.
- Beijing Jingtian Precise Casting Co., Ltd.
- 全国主营:Castings.
- Beijing Haiming Foundry Co., Ltd.
- 全国主营:Casting
- Beijing Jingmen Window & Door Co., Ltd.
- 全国主营:Door, Window
- Hangzhou Yuhang Dayunhe Casting Factory
- 全国主营:Castings.
- Hangzhou Yuhang Tangqi Alloy Ball Iron Factory
- 全国主营:Castings.
- Yuhang Jianfeng Industrial Co., Ltd.
- 全国主营:Castings.
- Hangzhou Gaosheng Special Casting Co., Ltd.
- 全国主营:Castings.
- Zhuji Auto And Tractor Fittings Factory
- 全国主营:Hydraulic parts.
- Wenzhou Jinrui Hardware Rigging Co., Ltd.
- 全国主营:Spring hook.
- Jiaxing Standard Parts General Factory
- 全国主营:Screw.
- Ningbo Zhenhai Screw Factory
- 全国主营:Fastener, Screw.
- Zhejiang Yibiao Fastener Co., Ltd.
- 全国主营:Fastener.
- Rui'an Wanfu Standard Parts Co., Ltd.
- 全国主营:Standard parts.
- Jiashan Auto Fittings Casting Factory
- 全国主营:Nodular castings.
- Mudanjiang Longxiang Industrial Co., Ltd.
- 全国主营:Automobile U-bolt.
- Hangzhou Dexian Steel-structure Machinery Co., Ltd.
- 全国主营:Steel structure
- Baotou Zhengang Casting Co., Ltd.
- 全国主营:Casting drainage straight pipe, Tee