Douai has been strictly tested. These tests include panels testing, plugs testing, voltage testing, and frequency testing and customer-requested testing. The inner layer core of the product is chemically treated for improved adhesion of the copper surface
x******m
Douai is required to pass electrical safety testing. These tests include CE testing, NRTL testing, SCC testing, and CB testing.
e******o
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. It has passed AOI which ensures there will be no errors or welding defects
j******a
A wide range of tests on Douai have been performed. These tests are conducted in accordance with IEC/EN 60335 parts 1 and 2. Its solderable surface is protected from the oxidation
a******n
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. The inner layer core of the product is chemically treated for improved adhesion of the copper surface
g******o
The product quality is in line with existing regulations and standards. Thanks to the up-to-date vacuum DES line, it is manufactured with fine traces and high density