Chongqing Yuangan Technology Co., Ltd., a High-Tech Enterprise spin-off from the Chongqing Academy of Science and Technology (CQAST), specializes in online water quality monitoring solutions. We provide multi-parameter sensors and IoT-enabled analyzers for drinking water safety management across municipal plants, secondary water supply, water distribution network ,tap water , and swimming pools.
Core Technologies
Our product portfolio includes:
Online sensors: Low-range/Ultra-Low Turbidity, Free Chlorine, Total Chlorine, Chlorine Dioxide, Ozone, pH, Conductivity, Dissolved Oxygen
Online Water Quality Analyzers & Measurement System
Flexible OEM/ODM Capabilities for Online Water Quality Monitoring
R&D Excellence
Powered by CQAST’s Sensor & IoT R&D Center, our Ph.D.-led team has pioneered water quality monitoring technologies since 2010. Key achievements:
20+ national/local R&D projects executed
Patented optical analysis algorithms (12+ granted patents)
Chongqing Science & Technology Progress Award (2nd Class)
Outstanding Product Award by China Instrument and Control Society
Certifications & Recognition
National High-Tech Enterprise (Chongqing)
Specialized & Innovative SME (Chongqing)
ISO 9001 & ISO 14001 Certified
Municipal Top Talent Team designation

Chongqing Yuangan Technology Co., Ltd. was established in 2018, focusing on the transformation and promotion of online monitoring technology for drinking water quality. As a technology innovation enterprise, Yuangan Technology provides online water quality monitoring sensors and equipment for various parameters such as low turbidity, ultra-low turbidity, residual chlorine, ozone, total chlorine, chlorine dioxide, pH, ORP, conductivity, and dissolved oxygen, as well as online water quality monitoring solutions for water plants, secondary water supply, terminals, swimming pools, and other scenarios. Since its establishment, it has applied for more than 20 patents and other intellectual property rights, and has been awarded Chongqing High-tech Enterprise, Chongqing Specialized and New Enterprise, Chongqing Excellent Talent Team, Science and Technology-based SMEs, and passed ISO9001 quality system certification and ISO14001 environmental system certification.