As a leader in the field of monitoring of fluids, shenzhen city, jiu wai, science and technology ltd., with more than a decade of deep cultivation and accumulation in the industry, has been dedicated to the development and innovation of oil monitoring techniques. Core products: hydrogen monitoring sensors, online monitoring system for hydrogen, oil testers, oil analysts, industrial video insights, hydrogen quality monitors, lubricant sensors, etc., play an important role in several areas with outstanding performance and reliability。