Nanjing AIYI Technologies Co., Ltd. is a National High-Tech enterprise that combines the R&D, production, and trading of optic-mechanical-electric products. We are dedicated to providing complete industrial gas safety solutions & dust safety solutions.AIYI Technologies is located in Nanjing, China, a technologically advanced city. We have been adhering to the motto of "Scientific innovation, Specialized dedicated" with our special focus in safety solutions. AIYI Technologies insists on independent R&D and production, offering solutions for industrial combustible and toxic gas detection, solutions for dust monitoring, and solutions for gas analysis. Our featured products are portable gas detectors and fixed gas detectors, online gas analyzers, and dust monitors.