China Minsen Meter Co., Ltd , founded in June 2009 with investment of around 7.5 M USD , is located in Diaobingshan Hi-tech Park of Liaoning porvince . The factory which covers 33, 000 square meters with modern garden buildings had annual production capacity of 0.8 M water meters and 0.8 gas meters . Minsen is devoted to R& D , manufacture and sales for utilities wireless remote smart meters and utilities IT-Base management related products . Now the company has four patents for invention , thirteen patents for utility model and one copyright for computer software . It is a wholly owned subsidiary company of Shanghai Sunray Technology Co., Ltd ., which is a hi-tech corporation supported by national innovation fund and awarded for transformation of scientifici and technological achievements in several projects.