Guangzhou 3Win Electronic Co. Ltd.

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We were established in 2006 and are a professional manufacturer, engaged in the research, development, production, sale and service of TDS meters, PH meters, ORP meters, Conductivity meters, Water electrolyte analyzers, PH test liquid machines, OTO test liquid machines, hardness test liquid machines, calcium and magnesium test, liquid machines, water quality test machines, water quality analysis meters and a series of professional water quality test tools.