Q:How to check whether this product is in good quality?
A. First is to see whether the surface is smooth enough, no ripples, bubbles and scratches.
B. Second is to check whether the panel thickness and aluminum skin thickness is thick enough.
C. To check the core material, whether it's easy broken.
D. To test the peel strength between aluminum skin and the core .
E. See whether company is normal manufacturer, which have ISO, CE, SGS certificate.