- Jieyang Zhonghai Stationery Co., Ltd.
- 全国主营:Tin writing case, Iron tank, Iron wire craft.
- Yongkang Chengyi Chain Driving Co., Ltd.
- 全国主营:Chain
- Yuhuan Sanqiu Hardware & Plastic Factory
- 全国主营:Pipe bundle, Stainless steel hoop
- Yantai Feida Metal Product Co., Ltd.
- 全国主营:Metal product
- Binzhou Special Type Alloy Co., Ltd.
- 全国主营:Wear-resistant gasket.
- Shijiazhuang Hengda Titanium Filtration Equipment Co., Ltd. Shenzhen Office
- 全国主营:Titanium filtration equipment
- Yuncheng Shuidian Accessories Factory
- 全国主营:Pipe fittings
- Xinji Jinxin Metal Products Co., Ltd.
- 全国主营:Metal products
- Yongnian Standard Parts Factory
- 全国主营:Standard parts
- Shenzhen Zhongshengjian Industry Development Co., Ltd.
- 全国主营:Staircase and/or guardrail product.
- Nantong Jianwei Door Industry Manufacturing Co., Ltd.
- 全国主营:Retractable door, Electric car lug.
- Nantong Jinluo Electric Appliance Co., Ltd.
- 全国主营:Electric iron tip
- Wen'an Guobiao Keel Fittings Factory
- 全国主营:Keel fittings
- Shenzhen Jiexin Automatic Door Co., Ltd.
- 全国主营:Automatic retractable door, Automatic road brake, Automatic roll gate, special type door.
- Nantong Wanhao Steel Rope Co., Ltd.
- 全国主营:Steel rope
- Nantong Xinya Iron Chain Co., Ltd.
- 全国主营:Iron chain products
- Shenyang Dazhong International Trade Co., Ltd.
- 全国主营:Machinery, Driving medium, Rubber equipment, Industrial chain, Chain wheel.
- Yueqing Runze Low Voltage Electric Appliance Factory
- 全国主营:Low-voltage apparatus
- Xiaogan Jiangfeng Material Trade Co., Ltd.
- 全国主营:Door and window, Hollow glass, Fence