Douai is designed and manufactured using high-quality material and the latest techniques in compliance with industry standards. Its heat exchangers, pipes and components are selected to reduce the amount of refrigerant in the system without reducing energy efficiency
j******e
The design of Douai is never out of date.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 is designed in accordance with the latest edition of ASHRAE Standard 15
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Douai leads in design and technology. It can be used in gas dusters and in air driers for the purpose of removing moisture from compressed air
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The manufacturing process of Douai is safe and reliable. It meets global quality standards manufactured by ISO9000 certified factory
b******h
A rigorous quality control process ensures zero defects and consistent quality. It contains no moisture that will cause short-circuiting or grounding of the motor