Liaoning Hangyuxing IoT Instrument Technology Co., Ltd., privatized sector of AVIC Shenyang LiMing Aero-Engine Group Co., Ltd. which was founded in 1978, Leading gas meter and metering facilities manufacturer in China. Liaoning provincial technological innovation center. ISO licensed company, OIML certified products. Employer of 300 core staff member Annual production of 1.2 million sets. Main products include smart diaphragm gas meter, IC prepayment gas meter, remote reading gas meter sonic and ultrasonic gas meter, and smart meter system.