patent-Ounuo Machinery

patented technology

A leak-proof structure for the oil outlet of an oil supplement valve.

A spherical valve core hydraulic check valve

A new type of anti-leak oil drain valve

A new type of oil replenishment valve with good sealing performance.

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Service Hotline: +860379-68608003
Phone: +8613837907738
E-mail: lyounuo@163.com
Address: (Henan) No. 8 Jinxin Road, High-tech Zone, Luoyang Area, Pilot Free Trade Zone

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