- Shanghai Shanggao Door Co., Ltd.
- 全国主营:Industrial door, Goods shelves
- Nanjing Puwei Plastic Steel Fittings Co., Ltd.
- 全国主营:UPVC(plastic steel) and aluminium, Curtain door and window accessories
- Shaanxi Yibo Trading Co., Ltd.
- 全国主营:Cast iron artware
- Haimen Haishida Electronic (group) Company
- 全国主营:Standard parts, Nonstandard parts, Spring, Screwdriver head and electronic thin film switch etc.
- Anping Jixing Heavy Steel Plate Mesh Factory
- 全国主营:Heavy, Middle type steel screen, Highway guardrail mesh, Stainless steel mesh, Mat-type mesh, Griddle mesh
- Tangshan Sima Deke Business Co., Ltd.
- 全国主营:Castings
- Kunshan Shuanglong Door Co., Ltd.
- 全国主营:Automatic door
- Nan'an Guanqiao Jifu Cement Products Co., Ltd.
- 全国主营:Advanced composite material kiln well cover and rainwater fine-toothed comb.
- Wenzhou Yijia Door Industry Co., Ltd.
- 全国主营:Wooden door, Door cover
- Yongkang Longyang Door Industry Co., Ltd.
- 全国主营:Burglarproof door
- Linqu Yangshan Feilong Stainless Steel Product Factory
- 全国主营:Automatic door
- Shenzhen Xinyuanda Stainless Steel Product Co., Ltd.
- 全国主营:Stainless steel product
- Jinhua Sandeli Burglarproof Door Co., Ltd.
- 全国主营:Burglarproof door
- Dalian Xisaide Door Control Co., Ltd.
- 全国主营:Door open mechanism, Garage door, Industrial door
- Shanghai Haisipite Door Co., Ltd.
- 全国主营:Roller shutter, Industrial door
- Putian Dehe Automatic Door Co., Ltd.
- 全国主营:Automatic door
- Nanjing Merry Storage Equipmentco., Ltd.
- 全国主营:Storage rack and supporting equipment
- Guangzhou Shengli Door Curtain Co., Ltd.
- 全国主营:PVC curtain
- Guangzhou Puke Stainless Steel Products Co., Ltd.
- 全国主营:Stainless steel products