Shanghai Fengyilong Electronic Co., Ltd. Is an experienced manufacturer of electronic meters, and has its headquarter in Shanghai, China and subsidiary factory in Jiangsu province. As a member of National Instrument & Meter Associations, we have involved in drafting our National Standards for instruments & meters. We are an ISO9001 company, we have very good quality control mechanism on production process. We have our dinrail energy meter, prepayment energy meter, socket energy meter CE approved. We have our own import and export rights and possess skillful import & export operating persons as well. Here we are highly honored to enter into your business line, so we heartily wish to serve you with our good products. We also hope that we can join our hands to work hard for our mutual future.