Douai has been strictly tested. These tests include panels testing, plugs testing, voltage testing, and frequency testing and customer-requested testing. It is offered with low dielectric loss
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Douai is required to pass electrical safety testing. These tests include CE testing, NRTL testing, SCC testing, and CB testing. Being laminated by advanced vacuum lamination equipment, it has a uniform dielectric thickness after lamination
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The normative standards for Douai cover many aspects. This product has already passed the GB 19517-2009, National Specifications and Standards of Safety Practice for Electrical Equipment and GB 14048-2006 for low voltage switching devices or controlling equipment. Thanks to the up-to-date vacuum DES line, it is manufactured with fine traces and high density
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A wide range of tests on Douai have been performed. These tests are conducted in accordance with IEC/EN 60335 parts 1 and 2. It is vacuum-sealed, which can greatly reduce the bulk of the overall cargo
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The Incoming Quality Control (IQC) of Douai is stringently carried out. It mainly involves measuring the precision of the electronic instrument and evaluating the quality of the components. It is vacuum-sealed, which can greatly reduce the bulk of the overall cargo
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The product quality is in line with existing regulations and standards. The inner layer core of the product is chemically treated for improved adhesion of the copper surface