In May 2018, the National Standards Committee issued the "Compulsory National Standard for Safety Technical Specifications for Electric Bicycles" (hereinafter referred to as "the new national standard"), from May 15th, 2018 to April 14th, 2019, the transition period, the new national standard Formally implemented on April 15, 2019
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Billion of energy and the National Celebration, August Army company day off, if necessary, pl...
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