Our Wood Chipper include tractor PTO(6",8"),Diesel engine(12hp,18hp,30hp),Electric motor(4",6",8"),we can supply CE,EPA. ... our company is established in 1987 year and professionally manufacture various Wood Chipper, include tractor PTO(6 ... 30hp),Electric motor(4,6,8),we can supply CE,EPA and other certificate, also professionally export other forestry machine, garden machine ...