About us

Chongqing Yuangan Technology

A High-Tech Enterprise spin-off from the Chongqing Academy of Science and Technology (CQAST). Founded in 2018, with drinking-water monitoring R&D roots dating to ~2010 — 15+ years of focused development for utilities, OEMs, distributors, and EPC partners worldwide.

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Company profile

Source manufacturer for drinking-water online monitoring

We provide multi-parameter sensors and IoT-enabled analyzers for drinking-water safety across municipal plants, secondary supply, distribution networks, piped direct drinking water, and swimming pools — with flexible OEM/ODM for international brands.

CQAST spin-off

Chongqing Yuangan Technology Co., Ltd. is a High-Tech Enterprise spin-off from the Chongqing Academy of Science and Technology (CQAST). Founded in 2018, with drinking-water monitoring R&D roots dating to ~2010 — powered by CQAST’s Sensor & IoT R&D Center lineage.

What we build

Online sensors and analyzers for low / ultra-low turbidity, free / total chlorine, chlorine dioxide, ozone, pH, ORP, conductivity / TDS, and dissolved oxygen — plus multi-parameter systems, kits, accessories, and IoT cloud.

Where we serve

Municipal plants, secondary water supply, distribution networks, piped direct drinking water, swimming pools, and specialty wastewater edges — for utilities, OEMs, distributors, and EPC partners worldwide.

Quality systems

ISO 9001 and ISO 14001 certified. National High-Tech Enterprise (Chongqing), Specialized & Innovative SME, and municipal top talent team designation.

R&D track record

20+ national/local R&D projects; patented optical analysis methods; Chongqing Science & Technology Progress Award (2nd Class); Outstanding Product recognition from the China Instrument and Control Society.

IP & digital factory

30+ patents and software copyrights spanning turbidity methods, flow cells, disinfectant sensing, and cloud software — produced in our Industry 4.0 digital factory at Liangjiang Dadi (International) Industrial Park, Liangjiang New Area, Chongqing.

Parameters we cover

Core measurement portfolio

Turbidity (low / mid / high)
Free & total chlorine
Chlorine dioxide
Ozone
pH / ORP
Conductivity / TDS
Dissolved oxygen

Milestones

From R&D roots to export-ready manufacturing

2010+
Drinking-water monitoring R&D begins with Chongqing Instrumentation Institute / CQAST lineage; core tech for high-precision, low-cost water sensors
2010s
Key technology funding; 1st-gen laser turbidity; multi-parameter system grants; provincial drinking-water safety platform operations
2018
Chongqing Yuangan Technology founded as CQAST spin-off; 3rd-gen nano-turbidity and disinfectant sensor programs advance
2019–2020
ISO 9001 / 14001; National High-Tech Enterprise; Industry 4.0 digital factory commissioned; rural water safety R&D awards
2021+
Relocation to Industrial Internet Park; Specialized & Innovative SME; OEM/ODM scale-up for analyzers and private label
Recent
Gen-3 turbidity suite; electrochemical disinfectant sensors; pressurized turbidity for pipelines; multi-parameter series; smart chlorine/ozone analyzers
Today
Export-ready catalog for distributors, OEMs, utilities & EPCs — 15+ years of R&D focus, 30+ patents & IP