At the beginning of innovation, China TAIHUEI Company mainly imported and sold the tourism of pressure and oil pressure and air products. Later, it developed its own brand and made great efforts to expand the field. Taihui has its own experience and technology in power oil pressure field. In 1986, Taihui will W series oil immersed professional solenoid valve into the market, this time due to vibration and noise. Since then, we have successfully developed high traffic LW series and introduced them into the market. Series solenoid valves improve voltage resistance and can also be widely used in testing of voltage, frequency and axis. Manual detection is another important development. [more]