zhejiang sapphire instrument science & technology co.,ltd. was established in december 2006 with investment from zhejiang ninghai sapphire gas meter factory. it is a professional gas meter manufacturer that integrates research and development, production, and sales of gas meters.

on the basis of the existing design and development of membrane gas meters, ic card membrane gas meters, and wireless remote transmission membrane gas meters, and large-scale production and sales, the company officially entered the field of ultrasonic gas meters (flow meters) in 2015.

sapphire follows the development trend of global industry 4.0 and gradually realizes "intelligent integrated production" and "intelligent control of production processes.