Founded in 1992 and building its factory (covering area of 24mu) in Xi'an Economic & Technological Development Zone, China in 2004, Xi’an KOSUN Machinery Co., Ltd. (KOSUN) is a professional company that provides solid-liquid separation products and integrated solutions to solid waste disposal in the fields of energy conservation and environment protection, and focuses on development and services of complete technologies and equipment in sludge reduction, harmlessness and resource utilization.

As a solid waste disposal & treatment equipment manufacturing enterprise in the energy conservation and environment protection industry, and through 26 years of unceasing R&D and improvement in environmental protection equipment, KOSUN has possessed 53 national technical patents related to solid-liquid separation machinery and has grown into a technology-intensive environmental protection equipment manufacturing enterprise. Over the years, KOSUN has been awarded many honorary titles, such as Xi’an High-Tech Enterprise, Xi’an Little Giant Enterprise of Science and Technology, Xi’an Leading Industrial Enterprise, etc., owns the Xi’an Municipal Drilling Waste Management Research Center, is one of key supported enterprises in Xi'an Economic & Technological Development Zone and a member of Xi’an Enterprises Helping Each Other, and is the first enterprise of Investment and Loan Linkage Model by China Development Bank in Shaanxi. The registered trademark of “KOSUN” is a well-known brand in China environmental protection equipment manufacturing field, a famous trademark in Shaanxi and a famous brand in Xi’an.