HUANA Material Grade comparison table
HN812545 steel, A3 steel (soft steel)
HN8225Quenched and tempered steel (hard steel)
HN9125Quenched and tempered steel (hard steel)
HN15TFMainly For stainless steel, universal for steel 
HN7135stainless steel
HN913545 steel, A3 steel (soft steel)
HN9030 universal for Stainless steel And Steel 
HN01Copper and aluminum parts
HN300Ceramic Inserts machining steel,stainless steel
 HUANA Trough Description
RPMHUANA 
PM ZCC
TMToshiba
MAMitsubishi
HQKYOCERA

HN8125 WNMG080408-PM Cutting Video