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zhejiang sapphire instrument science & technology co.,ltd. is a high-tech enterprise integrating the design, development, manufacturing and sales of gas meters and ultrasonic flow meters. hangzhou hart electronics co., ltd., zhejiang shenyi electronic technology co., ltd. and shanghai weixuan electronic technology co., ltd. are under its jurisdiction. its main products are electromechanical membrane gas g1.6~g40, ultrasonic gas meter g1.6~g40, ultrasonic flowmeter dn32~dn300 series. based on the trusted identification, trusted data acquisition nb-iot blockchain and digital chemical plant, it carries out the whole life cycle management of the production and manufacturing links and product quality, and creates the product r&d, manufacturing, testing, certification, laboratory, transparent construction factory ", transparent manufacturing, transparent product operation and maintenance, as well as electronic product design and the first domestic industrial internet of things trusted service platform.

the sapphire brand has been selected as the "top ten national gas meter brands" for many times. the products are distributed 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, new austrian gas, zhejiang energy, china new energy, yunnan energy investment, shengli group and other well-known domestic gas groups, and are exported to europe, america, india, africa and southeast asia. the company has always taken creating maximum customer value as its ultimate goal, guided by scientific and technological innovation and high-quality service, and is committed to providing the society with convenient, advanced and safe high-precision gas meter products. we believe that high-quality gas meter solutions and after-sales service will make us your most sincere partner.

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