MZLH 42 used wood pellet production line: 1,for biomass fuel 2,ring die pellet mill 3, ... drive motor 4,6mm,8mm,10mm,etc used wood pellet production line: Main structure and working principle: 1,High efficient gear drive ... and quenching , processed by hard gear surface technique. Stable transmission. Low noise. Long service life ModelCapacity(t/h)Power(kw)DriveDimension ...