The degree of automation of industrial enterprises is generally low, such as machinery industry for more than 80% of the programmable logic controller equipment is still using the traditional relay and contactor control. After joining wto Copyright Control Engineering, China is becoming the world's new manufacturing base, mainly in manufacturing control logic control-oriented, a lot of automated transformation of traditional industries also provide a broad space for development plc applications. = Rapid growth of China's manufacturing growth rates in some sectors even reach 20%. Over the next five years, the annual growth rate China plc market is expected to reach 14.1%. 2003 this market was $ 370 million.
Due to various reasons, the domestic brands in the plc analog input output module domestic plc plc small proportion of the market share, has not formed industrial scale, China is now on the market for more than 95% of the plc products from foreign companies. From a technical perspective, small plc is narrowing the gap between home and abroad. Decades of international manufacturers face large-scale production and marketing management experience Copyright Control Engineering, the majority of domestic manufacturers and only stay in small batches to maintain the survival of infancy, from plc input output modules the real mass market operations as well as to create a brand as well as a long way to go.
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