Profile: Zhejiang Fenghua Sanshi Solenoid Valve Co., Ltd. manufactures all kinds of solenoid valves for refrigeration and thermostatic expansion valve for vehicles. Our product line includes FDF solenoid valve, 4-way reversing valve, SH series ball valves, electronicvalve driver, 3/2 solenoid valve, refrigeration parts and A/C parts & thermostatic expansion valve. Our SR magnetic solenoid valve is an automatic control parts used in refrigeration system to Control the refrigerant to pass or not pass and the valve is widely used in compressor group, central air-conditioning, coldstorage equipment and bus air-conditioning system.