- Penglai Bohai Hardware Factory
- 全国主营:Low pressure valve, Steel plate net, Round steel nail
- Yixing Taodu Foundry
- 全国主营:Gray iron casting, Ductile iron casting
- Qingdao Hui'er Casting Scientific & Industrial & Trading Co., Ltd.
- 全国主营:Sling dog type abrator, Table type abrator
- Yixing Changxin Casting Co., Ltd.
- 全国主营:Casting
- Yixing Communication Equipment Factory
- 全国主营:Electrical horn, Stamping parts
- Qingdao Beihai Machine Equipment Co., Ltd.
- 全国主营:Steel landing stage, Bus top turning machine, General equipment, Nonstandard equipment
- Shandong Tianli Development Group Co., Ltd.
- 全国主营:Chemicals, Steel ball
- Yantai Xingfu Machinery Fittings Factory
- 全国主营:Cast steel parts
- Yantai Baolong Metal Processing Co., Ltd.
- 全国主营:Burglarproof door
- Beijing Lincong Industry And Trade Co., Ltd.
- 全国主营:Television parts and component
- Zhoushan Haizhong Plastic Machinery Co., Ltd.
- 全国主营:Feed barrel, Screw
- Xianju Babada Arts And Crafts Factory
- 全国主营:Arts and Crafts
- Yueqing Baida Industrial Nail Factory
- 全国主营:Nail
- Wenling Hualian Smelting Works
- 全国主营:Machinery casting
- Tianjin Beichen Hand Tools Factory
- 全国主营:Tools
- Guangzhou Guanghong Hualong Trading Co., Ltd.
- 全国主营:Clothing, Underwear, Shoes, Handbags, Toys, Ornaments, etc.
- Tengzhou Standard Parts General Factory
- 全国主营:Fastener
- Zibo Xinli Metal Products Co., Ltd.
- 全国主营:Pipe fittings
- Qingdao Zhengda Electrical Appliance Standard Component Factory
- 全国主营:Standard component
- Tai'an Standard Component Factory
- 全国主营:Standard component