Established in 2000 years,Dong Guang COVNA AUTOMATION INDUSTRY CO.,LTD. is a professional manufacturer and exporter that is concerned with the design, development and production of valve.
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Pneumatic Angle Seat Valves
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Electric Butterfly Valve
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Solenoid Valve
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Manual Valve
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Electrical Ball Valve
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Pneumatic Ball Valve
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Pneumatic Butterfly Valve
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Pneumatic Components
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