1 Panpan (China’s well-known trademark, China’s famous brand, high-tech enterprise, joint-stock enterprise focusing on the development and manufacturing of new building materials)? 2 TATA (Beijing Taitai Decoration Industry and Trade China Door Industry Ten The representative enterprise of Big Brand Co., Ltd.'s "Top 30 Chinese Wooden Doors", "China Wood"? 3 Maxim's (Chinese Famous Brand), Maxim's Group was founded in 1989. It has grown to focus on the door industry, and its investment covers automobile and motorcycle accessories, New environmental protection)? 4 Buyang (China's well-known trademark, China's famous brand product, Zhejiang Province patent demonstration enterprise, China's largest safety door production base and export)? 5 Wanjiayuan (won the title of "Luban Award supporting enterprise" for construction projects in 2005 , won the title of "Famous Trademark of Shandong Province" and "Famous Brand of Shandong Province")? 6 Jinfeng (adhere to the quality concept that quality is the basis of service, strictly control the quality of raw materials, and prevent counterfeit and inferior products from entering every production)? 7 Mengtian (founded in 1989 Year, top ten brands of solid wood doors, top 30 wooden doors in China, a well-known enterprise dedicated to the research, development, production and sales of wooden composite doors)? 8 Huahe (Heilongjiang Famous Brand, Heilongjiang Famous Trademark, one of the leading enterprises in China's furniture/wooden door manufacturing industry, Heilongjiang Provincial forestry leader) 9 Guanniu (an independent innovative enterprise integrating professional solid wood door development, manufacturing, distribution and after-sales service, one of the top 30 wooden door companies in China, a well-known brand) 10 Huihao (Dongguan Huihao Wooden Door Co., Ltd., a well-known brand in China) brand, a famous brand in Guangdong Province dedicated to creating luxury high-end wooden doors)