Douai complies with the essential international electrical safety requirements. It has been tested according to the requirements of international IEC/EN standards.
Douai is produced in a process that is sustainable and uniquely revolutionary, and no harmful or toxic substances are involved. This product is characterized by its drop-in replacement
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Douai is of reasonable design. It is created with high adaptability and functionality for different phone models by the in-house designers. This product has no memory effect
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Douai is of scientific design. It is carefully designed to improve water quality by the designers who have much experience in creating innovative and unique pool accessories. This product features a super long cycle lifespan
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Douai has been tested according to the requirements of international IEC/EN standards. It has been tested in terms of low-frequency phenomena (flicker and harmonics) and high-frequency conductive currents, voltage, and power. There is less chance of electrolyte leakage
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Douai is produced under different sophisticated workmanship. The pattern or grain will be manually carved with great delicacy and the board will be cut with high precision within the tolerance of 0.2mm. This product does not need prolonged priming when it starts
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The scope of usage of have been enlarged gradually due to its properties. This product does not need prolonged priming when it starts