DTZY637-J three-phase four-wire charge control smart energy meter

Jiangsu Shengde Electronic Instrument Co., Ltd. - an enterprise specializing in the production of electric energy meters, integrating the design, development, production, sales and service of electric energy meters. Founded in March 2001, the company has developed into a large-scale new private enterprise. An enterprise specializing in the production of electric energy meters, integrating the design, development, production, sales and service of electric energy meters. Founded in March 2001, the