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KOS is specialized in DIN, ANSI industrial valves for more than 15 years.
KOS is a professional designer & manufacturer of pipeline valves and special valves.
KOS export 80% of our products - including KOS & OEM brands.
KOS provides satisfactory after-sales services.
Main Products:
Bellows Seal Valves, Normal Design G.G.C Valves, Y-strainers, Ball valves, Choke Valves, Marine Valves, Flanges, etc.
Materials:
Cast Carbon Steel, Forged Steel, Stainless Steel, Deplex, Low / High Temperature Steel, Monel, Bronze, etc.
Applicable Services:
Thermal Oil, Steam, Vacuum Facilities, Solar Engergy, Power Plant, Marine System, Chemical, Recycling Facitilies etc.
Qualification: 
ISO9001:2008 (DNV), PED (CE), TS, etc.