Zhejiang Yongtailong Electronic co.,Ltd. established in 2000.Through these years efforts, YTL become the global famous manufacturer in energy metering industry. YTL have a professional development team, leads the product concept and designs of the market all the time. We are capable of supplying a variety of meters,We are also expert in designing & providing for ourselves the meter main components such as Meter Shunt, Current Transformer, Potential Transformer, PCB A etc... 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.