China Air Regulator Filter Lubricator factory Our History Ningbo Yuxin Pneumatic Co., Ltd., formerly named Ningbo Bosch Pneumatic Technology Co., Ltd., was established in 2013. located in Xikou Town of Ningbo, which is known as the town of pneumatics. mainly engaged in the design, development, processing and non-standard customization of valves to meet the needs of customers .The company鈥檚 main products include Namur solenoid valves, , explosion proof solenoid valve ,single control valves,high temperature solenoid valves, fluid control valves, pulse valve, pneumatic actuator,