Valve including electromagnetic valve, manual valve, electro-hydraulic valve, reversing valve, multi-way valve, gas control valve, multi-way valve Wulian, 2 b valve, such as Qualcomm.

• 换向阀主要包括电磁换向阀，手动换向阀，电液换向阀，四通换向阀，多路换向阀，气控换向阀，五联多路换向阀，二位二通换向阀等。