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There are about 30 domestic PLC production plants,but there is no large-scale production capacity and brand-name products.Some of them are produced by imitation,assembly or”OEM”.Therefore,it can be said that PLC has not formed a manufacturing industry in my country.As a product with no cutting-edge technical difficulties in principle,technology and process,as long as efforts are made,a manufacturing industry can be formed.

国内PLC生产厂约30家，但没有形成颇具规模的生产能力和名牌产品，还有一部分是以仿制、来件组装或“贴牌”方式生产，因此可以说PLC在我国未形成制造产业。作为原理、技术和工艺均无尖端技术难度的产品，只要努力，是能形成制造产业的。