... to obtain, like wheat straw, sunflower stalk, forestry wastes,wood chips, etc. Driven by electric motor makes it more energy-saving ... get raw materials like paddy straw, sunflower stalk, forestry wastes, wood chips, and many other wastes or solid powder material. 2. ... such as wheat straw,sunflower stalk, forestry wastes, wood chips and many other wastes into wood pellets for green fuel. 2. Flat ...