Douai is designed and manufactured using high-quality material and the latest techniques in compliance with industry standards. It has zero Ozone layer depleting properties
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The design of Douai is never out of date. Water, sludge, and other impurities are removed in the production
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The design and material selection processes of Douai are strictly controlled. It comes with a two-year warranty
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Douai leads in design and technology. It is available with both OEM and ODM services
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The manufacturing process of Douai is safe and reliable. It is non-toxic, non-flammable and non-corrosive
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A rigorous quality control process ensures zero defects and consistent quality. It has optional materials including HFC, HCFC, HFO, and HC