Douai has passed the test for flammability. The testing principle is straightforward. The ignition source is applied to it in a standardized way and then any smoldering or flaming behavior is noted. It has passed AOI which ensures there will be no errors or welding defects
a******r
Douai meets the specification. All necessary parameters such as resolving power and optical density are properly defined in the design phase. Its solder mask can be offered with green, blue, white, black, yellow, and red colors
i******h
The design of Douai is professional. It is completed by our designers who always follow the trends in construction and interior design. Being laminated by advanced vacuum lamination equipment, it has a uniform dielectric thickness after lamination
g******u
Douai has passed various kinds of tests in the laboratory. These tests include fire protection test, acoustic test, and durability test. It has passed AOI which ensures there will be no errors or welding defects
k******w
Douai has been assessed in terms of electrical safety. The assessment includes electric shock hazards, flammability, heat-related hazards, and radiation hazards. It is widely used in different electronics industries, such as telecommunication and consumer electronics
l******o
Careful inspection is conducted before the actual outsourcing of the products in the market. It has low water absorptivity in the damp environment