Second-tier brands. According to the query on Maigoo.com, Longtu Broken Bridge Aluminum is a wholly foreign-owned enterprise invested and established by Hong Kong Longtu Aluminum Co., Ltd. It is the only manufacturer of designated aluminum profile products in mainland China. It is a specialized and special new enterprise in Anhui Province in 2016. Longtu Figure aluminum belongs to mid-to-high-end, second-tier brands. It is located in the Economic Development Zone of Langxi County, Xuancheng City. Longtu Broken Bridge Aluminum has strong technical strength, strong research and innovation capabilities, independent research and development and design capabilities, and new products are constantly coming out.