... after sale service Kexing brand wood powder millBamboo powder, nuts, herbs, bark, leaves, wheat bran, grinding line, Ma Xuan, rice husk, ... flammable and explosive materials can not be crushed) Kexing brand wood powder millWood powder machine broken by coarse, fine, wind ... mill screen pass rate of the many shortcomings) Kexing brand wood powder millTechnical data:Model500(Water)700 (Water)800(Water) ...