Zhejiang Yongtailong Electronic co.,Ltd. established in 2000.Through these years efforts, YTL became the famous global famous manufacturer in energy metering industry. YTL have a professional development team, leads the product concept and designs of the maket all the time. We created multiple “First” of the world. YTL is devoted to developing and designing high performance low price products and providing service for electric measurement, creating value for customers. Especially in electric measurement and energy-saving field, YTL’s products export to more than 50 countries over the world, and cover various of electric and energy-saving markets.