Test the material and thickness from the mass production, and see if same as the customers' request.
Read MoreStrictly compare the Design to see if there is any color difference, and will make the video to share it with the customers.
Read MoreCheck the quality of the gluing and adjust the machine in time to ensure product quality before shipment.
Read MoreStrictly test the pressure of the plastic packaging box and perform drop box test.
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