China pneumatic air valve control manufacturers 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...