Founded in 1992, Xi'an KOSUN Machinery Co., Ltd. (KOSUN) is a state-level high-tech enterprise integrating environmental products R&D, production and sales, general project contracting and environmental management services. KOSUN is committed to the quality policy of "Good Faith, Quality Goods and Transcendence" and is based on the Chinese market to provide worldwide users with all kinds of professional solid-liquid separation products and comprehensive treatment services. Located at Xi'an Economic & Technical Development Zone, KOSUN Production Center has four modern production workshops of over 30,000m2, 53 modern offices, 40 dormitories, a canteen and recreation facilities. With strong technical strength and good R&D capability, KOSUN has obtained 67 national patents up to now. KOSUN R&D personnel have reasonable specialty structure, covering machinery design and manufacture, electrotechnics, mechatronics, automatic control, computer and so on, which lays a solid foundation for a sustainable development. KOSUN also establishes Drilling Waste Management Research Center, the only one in Shaanxi.Through unceasing product R&D and improvement, KOSUN has grown into a technology-intensive environmental protection enterprise and has been awarded many honorary titles, such as High-Tech Enterprise, A Famous Trademark in Shaanxi, A Famous Brand in Xi'an, Little Giant Enterprise of Science and Technology, Leading Industrial Enterprise in Xi'an, etc. All KOSUN products have passed a number of international certifications, like ISO9001, ISO14001, OHSAS18001, APIQ1, IADC, EU CE Certification, Russian Federation Certification, etc. At present, KOSUN has sucessfully edged itself into the high-end equipment manufacturing industry.Main solid-liquid separation equipment of KOSUN includes screening equipment, two-phase and three-phase decanter centrifuge, dosing device, screw conveyor, delivery pump, electrical control system, remote control unit (wire control & Internet control), vertical centrifuge, industrial sewage containerized dewatering unit, sludge solidification unit, industrial wastewater and mineral oil solid-liquid separation system, industrial sludge treatment unit, and municipal, shield and HDD slurry treatment system.KOSUN products are typically applied to the following three fields: (1) petrochemical field: petroleum solids control equipment and system, zero discharge of drilling mud, and upstream & downstream products of petrochemical industry; (2) environmental protection field: centrifuge environmental industry, tailing treatment/ore classification, soil ecological restoration, chemical/parmaceutical/food processing, etc.; (3) infrastructure field: HDD, metro tunnel shield construction, pipe gallery laying, diaphragm wall, pile foundation slurry, riverway and lake dredging, etc.Since 2007, when KOSUN obtained the right to operate import and export trade, and through recent years of development, KOSUN has constantly improved its operation capability and its foreign trade turnover has accounted for about 40% of gross sales. Over more than 20 years of sustainable development, KOSUN has continuously perfected its product system and after-sales response mechanism and KOSUN products are well received on the domestic and overseas markets. In the future, KOSUN will devote itself to providing worldwide users with comprehensive services of professional solid-liquid separation and sludge treatment products, and industrial sludge environmental treatment and disposal.