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Patent Certificate

A low-noise gear pump with a vibration-damping structure and its noise-reduction method
A modified low-noise gear oil pump
A gear oil pump that is easy to move
An ultrasonic cleaning device for pump bodies
A fixing fixture for machining gear pump bodies
A sealing inspection device for the rear cover of a gear pump
A new type of gear oil pump specially designed for forklifts
A high-seal gear oil pump
A high-pressure gear oil pump
A cleaning device for machining gear oil pumps
A gear oil pump housing with a relatively good sealing performance, featuring an insert‑type design.
An installation structure for oil pump noise detection