MZLH 42 wood pellet press: 1,for biomass fuel 2,ring die pellet mill 3, ... 4,6mm,8mm,10mm,etc pellets MZLH 42 wood pellet press: Main structure and working principle: 1,High efficient gear drive ... , insure the biggest energy transfer;2,Cast iron gate, stainless chute, strong corrosion resistance ,long service time.3 ...