Yueqing HaiXin Electronic Technology Co., Ltd. was established in 2009, and the company is located in a highly developed economic city Wenzhou. We are engaged in manufacturing, sales and after sale service of new electrical and electronic products such as multi-function electronic meter, single phase current meter ,single pahse voltage meter , three-phase current meter ,three-phase voltage meter,active power meter ,reactive power meter ,power factor meter,CPS controling and protection switch. ...