1. Hormann: The top brand in the door industry from Germany, one of the world's leading manufacturers of door products, a leading enterprise, a large international enterprise group, Hormann (Beijing) Door Industry Co., Ltd.

2. Crawford: Affiliated to ASSA ABLOY, one of the largest manufacturers of industrial doors and parking equipment in the world, a leader in fast rolling shutter doors, ASSA ABLOY Automatic Door Systems (Shanghai) Ltd.

3. Jinqiuzhu JQZ: a famous trademark in Jiangsu Province, a famous brand in Jiangsu Province, one of the participating units in the construction standard design selection atlas, a well-known brand in the industry, Jiangsu Jinqiuzhu Group Co., Ltd.

4. Xianglian SHINILION: Hunan Province Famous Trademark, Hunan Famous Brand, Hunan Xianglian Energy Saving Technology Co., Ltd., a professional supplier of rolling shutter doors and windows/sunshade products, tubular motors and peripheral control systems.

5. Baochan Sanhe: a large-scale Sino-Japanese joint venture, a large company specializing in industrial door design, sales, installation and maintenance, Shanghai Baochan Sanhe Door Industry Co., Ltd.

6. Shuxin SUPEREGO: one of the largest and most powerful keel series product production bases in China, a Sino-foreign joint venture, China's green environmental product, Dalian Shuxin Door Industry Co., Ltd.

7. SUPERLIFT: A well-known garage door system professional in China, a high-tech enterprise in Henan Province, a highly reputable brand in the industry, and an industry standard drafting unit, Xuchang Spree Building Materials Technology Co., Ltd.

8. Tianming: A subsidiary of Swedish ASSA ABLOY, it is the first domestic steel fire door/fire shutter, a well-known enterprise for high-end building doors in China, ASSA ABLOY Tianming (Beijing) Door Industry Co., Ltd. company.

9. Bo Door Industry: A diversified door manufacturer integrating R&D/production/sales services, a leader in upper-row automatic doors, a high-tech enterprise, Hangzhou Bo Door Industry Engineering Co., Ltd.

10. Xufeng: Wuxi Xufeng Door Industry Co., Ltd. is one of the largest export production bases of garage doors/roller shutters/roller shutter windows in China and a leading enterprise in the special doors and windows industry.