Vifloor has worked with this product for 4 years already, we accumulate good experience in making this products.
The Key size we can offer:
(top layer 5mm+core layer 10mm+back layer 5mm)
(top layer 3mm+core layer 9mm+back layer 3mm)
What are the gradings?
So far we are using French Oak in Natural Plus Grade, Natural grade and Rustic grade.
Here are grade images for your reference: