Ball Valves,Gate Valves,Globe Valves,Check Valves -kos valve
KOS is specialized in DIN, ANSI industrial valves for more than 15 years.Main Products:Bellows Seal Valves, Normal Design Globe Valves, Gate Valves, Y-strainers, Check valves, Ball valves, Choke Valves, Marine Valves, etc.
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