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       Recently, the Ministry of Industry and Information Technology released a number of industry standards, including Electromagnetic Relay, Noise Limits for Electric Equipment for the Machine Tool and the Measuring Method, Test Method for the Reliability of Electromagnetic Relays for the Machine Tool and Travel Switch, which are to be revised as led by the Electric Equipment Sub-Commission of the National Metal Cutting Machine Tool Standards Committee affiliated to Suzhou Electrical Apparatus Science Academy Co. Ltd.The issuance and implementation of the four standards will bring a positive role in raising the manufacturing level of electric machine for the machine tool, upgrading products and boosting the reliability.