Second-tier brands. Jianjule boards are produced by Hubei Jianjule Building Materials Co., Ltd., which is a comprehensive group company integrating the research and development, production and trade of new decorative materials ecological boards. It is a well-known enterprise in the field of decorative building materials in the country. "Jianjule" "The trademark won the Hubei Province Famous Trademark in 2011 and is a second-tier brand.