Because China's industrial technology foundation is weak, the level is relatively low, and the degree of automation in the industrial production process is relatively low, the requirements for control instruments and meters are generally not high, which objectively causes some manufacturers not to invest in this direction. In addition, the country has not recognized the importance of developing executive agencies for a period of time after the founding of the People's Republic of China. For these reasons, the development speed of the actuator of electric control valve in China is far behind other control instruments. Since the reform and opening up, the development speed of actuators has accelerated a lot, but the progress of technology objectively has a process, and only the progress of relevant technologies can promote the faster development of actuators. In recent years, some manufacturers only introduce foreign products for assembly in order to one-sided pursuit of benefits, and the relative technology digestion and echelon training of technical personnel have not kept pace, As a result, the domestic related technology lags behind the foreign advanced technology for more than ten years.

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