... This machine is suitable for various kinds of hard miscellaneous wood,such as China fir,metasequoia,pine,mongolian scotch pine, ... , Infrared calibration2,Auxiliary Frame, adjustable, helping you chooses the wood width.3,Advanced computer speed control technology .Four arc chain ... & Company pictures RUIMA Round Log Multi-rip Saw Machine wood work machine wood cutting machine with high safety MJ-1430