Water Analysis Sensor & Transmitter Manufacturer in China

A dedicated industrial partner providing precision water quality instrumentation for environmental compliance and process optimization across global markets.

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Professional Water Quality Testing and Production

Suzhou Delfino Environmental Technology Co., Ltd. is a professional manufacturer of water analysis instruments and sensors, integrating development and production. Our main products include instruments for online water quality analysis. Since its establishment, we have focused on the development and production of instruments for analyzing water quality.

The monitoring parameters of water quality analyzer instruments mainly include pH, ORP, dissolved oxygen, conductivity/TDS/salinity, turbidity, SS, chlorophyll, blue-green algae, COD, NH₄-N, NO₃, free chlorine, peracetic acid, and so on.

As the rapid growth of the global economy drives increased consumption and urbanization, solid waste generation has risen significantly, directly affecting the water and wastewater treatment industry. Delfino aims to provide solutions across various industries and fields and to create a cleaner, healthier drinking-water environment for the earth.

Why DRFN is trusted by 2000+ customers

Your certified partner for high-precision water analysis sensors with integrated R&D and factory-direct value.

Efficient Production & Reliable Supply

We ensure high-performance sensor production with short lead times, with every unit undergoing rigorous aging tests and 100% pre-shipment inspection for reliable integration into your system.
Integrated R&D at Competitive Pricing

Our integrated R&D and production system eliminates middleman costs, delivering high-end water analysis technology at competitive prices without compromising quality.
Comprehensive Certification & Quality

Every sensor and transmitter is backed by ISO9001 quality management and EU "CE" certification. This commitment to international standards ensures global compliance and environmental monitoring.

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Certifications

ISO Certification
CE Certification
SGS Certificate
Patent Certificate
ISO Certification
CE Certificate
Patent Certification

Development History

2003

The founder formed a team to sell water instruments
2010

Established the domestic sales company
2015

Established Delfino brand, focusing on R&D.
2017-2018

Obtain various software works and patent certificates
2019

Become the national high-tech enterprise
2020

Increase the development of overseas markets
2022

Sold to more than 60 countries and regions
2025

Sales exceeded 10 million

2003
2010
2017-2018
2019
2020
2022
2025

Sustainable Water Solutions for a Greener Global Industry

Advancing environmental protection through smart sensing and precision water control technology.

Real-Time Wastewater Monitoring Precision
Sensors ensure continuous tracking of industrial discharge to guarantee 100% environmental compliance.
Chemical Usage Optimization
Smart controllers enable precise dosing, reducing chemical waste and minimizing the ecological footprint of water treatment.
Energy-Efficient Process Control
Our integrated instrumentation optimizes system performance, significantly lowering energy consumption in large-scale water facilities.
Reliable Data for ESG Goals
Accurate liquid analysis provides the essential data needed for corporate sustainability reporting and global green standards.

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About the Exhibition

Global Market

Leveraging 20+ years of expertise, we provide reliable water analysis solutions to 2,000+ customers across 80+ countries and regions. Our global distributor network and technical team ensure fast response and professional support for diverse projects.