<P>1, the material is more precious: because the quality of the tree species in China is relatively small, so far, most of our oak products are imported.</P>
<P>2, do not dry off the water, easy to rot: a lot of imported oak are in a strict foreign technology drying, and it has a very good stability, but some domestic manufacturers will directly import logs from abroad, And then drying their own, for the oak drying technology oak requirements are relatively high, the domestic professional manufacturers are not many, if the oak did not dry thoroughly, then it is prone to cracking, deformation and so on.</P>
<P>3, easy to confuse the "oak" and "rubber wood": the current building materials on the market there is the phenomenon of rubber wood instead of oak, if we buy professional knowledge, it will directly affect the interests of consumers.</P>