Shanghai SPES Electronic Technology Co.Ltd. was founded in 2003 with the registered capital of RMB 8 million Yuan, is integrated in the R&D, production, and sales of various gauges for Liquid, Solid, Pressure and Temperature detection, such as Float Level Switch, Magnetostrictive Level Meter, Magnetic Rotating Pillar Level Meter, Rotary Paddle type level switch, tuning fork level switch, capacitance type level switch, RF conductance level switch/meter, etc. Our products are widely used in the ...