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Zhejiang Sapphire Instrument Science & Technology Co.,Ltd. is a high-tech enterprise that integrates the design, development, manufacturing, and sales of gas meters and ultrasonic flow meters. Under its jurisdiction, Hangzhou Hart Electronics Co., Ltd., Zhejiang Shenyi Electronic Technology Co., Ltd., and Shanghai Weixuan Electronic Technology Co., Ltd., its main products include electromechanical integrated membrane gas G1.6~G40, ultrasonic gas meter G1.6~G40, and ultrasonic flow meter DN32~DN300 series. Based on trusted logo and trusted data, NB IoT blockchain and digital factory are adopted to carry out full life cycle management on production and manufacturing links and product quality, build product R&D, manufacturing, testing, certification, laboratory, transparent construction factory, transparent manufacturing, transparent operation and maintenance of products, and electronic product design and the first trusted service platform of Industrial internet of things in China.

The sapphire brand has been repeatedly selected as one of the "Top Ten National Gas Meter Brands". The products are all over the country. They are qualified suppliers of Shanghai Gas, Beijing Gas, Shenzhen Gas, Hangzhou Gas, Taiyuan Gas, PetroChina Kunlun, Ganghua Gas, China Resources Gas, Xin'ao Gas, Zhejiang Energy, Guoxin Energy, Yunnan Energy Investment, Shengli Co., Ltd. and other well-known domestic gas groups, and they are exported to Europe, America, India, Africa, Southeast Asia and other countries. The company always regards maximizing customer value as its ultimate goal, guided by technological innovation and high-quality service, and is committed to providing convenient, advanced, and safe high-precision gas meter products to society. We believe that high-quality gas meter solutions and after-sales service will make us your most sincere partner.