Uses: vacuum cleaner pressure switch 

 Pressure switch vacuum packaging machine 

 Shi Ming Electric Co., Ltd. is a research, development, production, sales as one of the high-tech private-owned enterprises. The company has accumulated many years of professional R & D, production experience, advanced testing equipment, scientific management system. 
 Development of the company so far, has become the most professional to provide air pressure switches, flow sensors, vacuum pressure switch, level switch, water flow switches, level sensors, pressure sensors, pneumatic switches, pressure sensors, air flow detection switch, a small vacuum food packaging Machine pressure switch, pressure control switch control, one of the core technology products;