The basic design steps of Douai are as followed: recognition of its need or purpose, selection of a possible mechanism, analysis of forces, material selection, design of elements (sizes and stresses), detailed drawing, etc. The cooling system installed enables it to bring lower heat
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In order to draw definitive conclusions about the features of Douai , various tests must be performed. These range from tests on moisture resistance, bending resistance and impact resistance. It can be delivered fast thanks to our location in Shenzhen which enjoys traffic convenience
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Douai is produced meeting the international standards for electric appliances. It has been sent to the testing organization for quality testing, and it has passed the RoHS, SAA, CB, CCC and ENEC certification. Both it and its accessories can be OEMed and ODMed
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The design of Douai meets the market trend of pool accessories. It is created by designers who combine the modern demands for pool accessories with high practicability. It is the senior R&D team and delicacy management that make it a success in the market
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The safety level of Douai is guaranteed by a series of tests. It has passed the electric leakage, overload, overvoltage, and capacitive load testings. It has several colors such as black and silver for options
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This product is durable and suitable for long-term use and storage. Well trained engineers and workers are strong support to its manufacturing