BEIJING ZHENGYU GROUP WENZHON ZHONGAN TECHNOLOG...

We are the professional manufacturer of smart meters, such as enengy meter, water gas meter. will supply you our own software system .And your customer can get 8-digit code from internet, cellphone sms, telephone, prepaid card, service center or bank. Then enter into meters .It&＃039;s ...

Telephone：86-0577-62821997Address：HOU XI INDUSTRIAL ZONE,WENGYANG, Wenzhou, Zhejiang, China