1, Pan Pan (China famous trademark, China famous trademark, high-tech enterprise, joint-stock enterprise led by the development and manufacture of new building materials, Liaoning Panpan Anzhu Co., Ltd.)

2. Wang Li (Wang Li Group Co., Ltd., a leading brand in the domestic security door industry, a leader in smart door technology, and a large diversified enterprise group with the door lock industry as its core)

3. Buyang (Buyang Group Co., Ltd., founded in 1992, one of the top ten brands of security doors, a designated manufacturer of anti-theft and fire-proof security doors, a production base and an export base of large security doors).

4. Lin Hao Machinery (Yangquan Lin Hao Machinery Manufacturing Co., Ltd., one of the top ten brands of fire doors, is a modern enterprise integrating the design, production and sales of R&D and fire door supporting facilities. )

5. Saiyin General (Zhejiang Saiyin General Door Industry Co., Ltd., which is committed to the research and development of steel wood/wood/steel series fire doors/security doors, one of the top ten fire door brands in China).

6. Xinduo (Xinduo Group Co., Ltd., Top Ten Brands of Security Door and Fire Door, Zhejiang Famous Trademark, Zhejiang Famous Brand Product, High-tech Enterprise, Professional Modern Door Industry Construction Group)

7. Yi Rui Door Industry (Zhejiang Yi Rui Intelligent Technology Co., Ltd., one of the top ten brands of security doors, national demonstration enterprise of comfortable housing project, domestic large-scale fire door manufacturer, subsidiary of China Superman Group)

8. Baccarat (Zhejiang Navi Industrial Co., Ltd., the top ten brands of fire doors, the ace enterprise in the field of splicing doors/middle doors, and a large modern enterprise integrating scientific research, production and sales).

9. Tao Tao (Tao Tao Group Co., Ltd., founded in 1985, a high-tech enterprise, one of the top ten brands of fire doors, a well-known brand exported by Zhejiang Province, and a large group company integrating R&D, manufacturing and sales).

10, Auchan Island (Jiangxi Wei Long Technology Co., Ltd., the first fire protection product enterprise in Jiangxi Province, Credit Suisse Group, a large-scale specialized steel flat fire door/steel fire entrance door/medical door/security door/safety door manufacturer).