- Xuzhou Haida Jinggong Co., Ltd.
- 全国主营:Sheet-metal product
- Yizheng Pingsheng Machinery Works
- 全国主营:Chain
- Yangzhou Xinba Spring Factory
- 全国主营:Spring
- Tongcheng Dacheng Rubber-plastic Product Factory
- 全国主营:Rubber-plastic product
- Beijing Minghang Machinery Works
- 全国主营:Mechanical equipment
- Beijing Longsheng Plastic-steel Door Window Factory
- 全国主营:Plastic-steel door window
- Changshu Huayuan Precise Industrial Fastener Co., Ltd.
- 全国主营:Fastener
- Shanghai Xing'ao Flanges Forging Co., Ltd.
- 全国主营:Forgings, Flange
- Xinghua Zhaoji Stainless Steel Door Decoration Factory
- 全国主营:Door decoration
- Nanjing Yuemin Window And Door Co., Ltd.
- 全国主营:Building door and window
- Zhejiang Yongkang Zhengli Hardware Factory
- 全国主营:Bicycle fittings, Electric tool stamping fittings
- Yixing Hufu Machinery Works
- 全国主营:Vibrating press
- Huizhou Tongxing Hardware Electroplating Factory
- 全国主营:Hardware electroplating product
- Renold Transmission (shanghai) Co., Ltd. Xi'an Office
- 全国主营:Mechanical power transmission and chain product.
- Xiangtan Chuntian Machinery Works
- 全国主营:Mechanical equipment
- Shenzhen Jibang Industrial Development Co., Ltd.
- 全国主营:Hardware castings
- Yixing Huankeyuan Weifa Aluminum Alloy Roll Door Factory
- 全国主营:Aluminium alloy door window
- Changzhou Anyi Bearing Factory
- 全国主营:Needle bearing
- Dongguan Guanheng Spring & Hardware Products Factory
- 全国主营:Spring.
- Guangdi Bathroom Door & Screen Factory
- 全国主营:Screen door, Cabinet door