... the most ideal grinding equipment of all kinds of wood log ,branch, straw ,stalk,grass,corn, soybean husk ... has two feeding ports,one is for the wood log,and the other is for straw ,stalk, ... ,Locust trees,birch,plane-tree ,wooden staff ,log oak,pine,hemlock,spruce,cedar,walnut,cherry,poplar,rosewood ... eucalytpus,hardwood,teak,beech etc. Many other agro-waste:wood chips, tree skin,rice husk, straw, cotton ...