[This is the content area of quality testing, example:] It is the first and only enterprise in the world to use biotechnology to implement large-scale revolutionary industrialization technologies such as long-chain dicarboxylic acid, biobutanol, bio-pentadiamine and so on. Kaiser focuses on the development of economically viable industrial biotechnology solutions and the industrialization of industrial biotechnology to produce new biomaterials to replace the special chemical materials that could only be obtained by chemical methods or could not be produced by chemical methods, with better performance and cost advantages.