Recently, Chongqing Qianwei Instrument Co., Ltd. has obtained four national patents for the smart water meter, namely M-BUS bus controller, M-BUS bus master data receiving device, M-BUS bus intrinsic safety barrier and multi-function remote control valve. Up to now, the company has obtained nearly 30 national invention patents, national utility model patents and national appearance patents in the field of smart water meters , and has more than 10 software product copyrights.
 In recent years, the avant-garde company has attached great importance to the research, development, production and sales of smart metering instruments, instrumentation and other Hardware products and industry information system management software products in the water industry, and has created the China Water Industry Electronic Information Service Platform. Its core technologies such as TM card smart water meter, digital remote transmission (network) water meter, urban pipe network wireless intelligent terminal and system, water industry electronic information service platform and TM card smart water meter " micro power electric control valve " are all domestic. First, and reached the international advanced level.
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