... easy to be broken. 3.Processing base board. After base board forming,carefully to repair the face and back , putty repair, then ... .after sanding ,face and back 4.The most important procedure: HOT PRESS WITH FILM. we use the more pressure power and enough long time ... ,that we get almost no carbonized, no flaw of the perfect products! 5.The final products Feature 1) High bending strength 2) little ...