Douai is designed and manufactured using high-quality material and the latest techniques in compliance with industry standards. Water, sludge, and other impurities are removed in the production
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The design of Douai is never out of date. It meets global quality standards manufactured by ISO9000 certified factory
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The design and material selection processes of Douai are strictly controlled. It has zero Ozone layer depleting properties
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Douai leads in design and technology. It has many industrial and commercial applications
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The manufacturing process of Douai is safe and reliable. It serves 500 more refrigeration brands such as ARKOOL
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A rigorous quality control process ensures zero defects and consistent quality. Its heat exchangers, pipes and components are selected to reduce the amount of refrigerant in the system without reducing energy efficiency