Coway R&D Center Receives 'Satisfactory' in Drinking Water Proficiency Assessment for 19 Consecutive Years

Maintaining Qualification as an Accredited Drinking Water Quality Inspection Institution for 19 Consecutive Years

Recognized for Reputable Water Quality Analysis Capabilities

Coway announced on the 22nd that its R&D Center received a 'satisfactory' rating in all categories in the '2026 Proficiency Assessment in the Drinking Water Sector' organized by the National Institute of Environmental Research under the Ministry of Environment. With this, Coway has maintained its qualification as an accredited drinking water quality inspection institution for 19 consecutive years, demonstrating its reputable water quality analysis capabilities and the reliability of its testing.

The proficiency assessment for drinking water inspections is an accredited evaluation program that verifies a water quality inspection institution's analytical testing abilities. The evaluation is conducted by analyzing unknown samples containing substances at specific concentrations, and then assessing the accuracy and reliability of the analysis results. In this latest assessment, the Coway R&D Center received a 'satisfactory' rating in all categories for 11 items, including heavy metals, ionic substances, and microorganisms.

Coway R&D Center

In addition to being a drinking water quality inspection institution, the Coway R&D Center is also recognized for its testing and analytical capabilities by reputable domestic and international organizations such as the KOLAS accredited testing laboratory, the Water Quality Association (WQA) TSP laboratory in the United States, and the European Union (EU) TUV-SUD official certification body. Based on its globally compliant water quality analysis capabilities, the center issues approximately 20,000 test reports annually.

A Coway representative stated, "The results of this proficiency assessment once again confirm our expertise in water and analytical technology, which we have accumulated over a long period, as recognized by an authoritative institution. We will continue to uphold strict water quality analysis standards and do our utmost to provide products and services that customers can use with confidence."

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