Recommended brands of security doors are as follows:

1 Panpan (China Well-known Trademark, Chinese Famous Brand, High-tech Enterprise, a joint-stock enterprise focusing on the development and manufacturing of new building materials, Liaoning Panpan Pananju Co., Ltd.)

2 Buyang (China Well-known Trademark, China Famous Brand, Zhejiang Province Patent Demonstration Enterprise, one of the largest safety door production bases and export bases in China, China Buyang Group Co., Ltd.)

3 Xinduo (China's well-known trademark, top ten brands of security doors, Zhejiang famous trademark, Zhejiang famous brand products, world-famous brand, China's famous export brand, China·Xinduo Group Co., Ltd.)

4 Taotao TAOTAO (China's well-known trademark, Taotao Group Co., Ltd., a national large-scale cross-industry group enterprise integrating scientific research, manufacturing, and sales)

5 Spring Door Industry (China Well-known trademark, China Environmental Labeling certified product, Zhejiang famous trademark, top ten brands of security doors, committed to the production of mid-to-high-end security doors, Spring Group Co., Ltd.)