Straw is efficient, long-term light industry, textile and building materials, can partially replace the brick, wood and other materials, can effectively protect the cultivated land and forest resources. Straw wall insulation, decoration and durability are excellent, many developed countries have put the 'straw board' as wood and tile substitutes, and are widely used in construction industry. www.woodpelletmillchina.com/pro/straw_pellet_mill.html