Shenzhen Besian Intelligent Technology Co., Ltd. (hereinafter referred to as 'Besian Intelligent Technology'), focuses on the R&D and application of environmental protection + IoT technology. Having deeply cultivated the environmental testing field for over ten years, the company has accumulated rich industry experience in environmental testing through continuous R&D investment and technological innovation. Currently, the company has formed multiple mature product lines, including environmental testing terminals such as gas sensors, gas detection modules, gas alarms, water quality sensors, and meteorological sensors. At the same time, Besian can customize detection needs for various application environments for customers; thousands of gas detection instrument products, conventional water quality testing products, and conventional meteorological testing products. They are widely used in petroleum, chemical, smelting, electric power, environmental protection, fire protection, coal, metallurgy, shipping, medicine, scientific research institutes, gas pipe networks, safety protection, and various other fields.