The enterprise is located in Yinghai Industrial Park, Jiaozhou City, Qingdao, Shandong Province, and its business scope includes: Processing, sales, wholesale of diatomite, diatomite high-performance filter aid, diatomite building material plate, diatomite mud, wollastonite, and activated clay (all of the above do not contain products that are restricted or prohibited from operation, such as hazardous chemicals, and do not include refrigeration, refrigeration, storage of hazardous chemicals, etc. ) Retail: Mineral products (excluding mining), general machinery and equipment, packaging products, building materials, goods and technology import and export business (items prohibited by national laws and regulations shall not be operated, and those restricted by laws and regulations can only be operated with permission). (Projects subject to approval according to law can only be operated after being approved by relevant departments)