Natural, harmless, environmental, high-organic innovatory materials----excellent vermiculite board building materials, and heat insulating materials for industry. Characteristics:refractory, heat insulation, sound insulation, moisture absorbing, insecticide tolerance, weatherability, high tension stress, good quality of lightweight, fine electrical insulation, environment-friendly--- non-toxic and disease free, without any harmful substance and gases when calcine in high temperature. Application: widely used in a variety of fields due to its appliances. Field of building: fireproof cladding board, heat-insulating cladding board, fireproof and heat-insulating core board, fireproof and sound-insulating board, moisture-adjusted board, fire insulating board,high organic of environment-friendly new building material Field of industry: vermiculite brick as the fire/heat insulating material in steel foundry, furnace and electric cooker; as the fire/sound insulating material in recording studio and as the fire/heat insulating material in hull etc. Field of civil: heat-insulating board for regenerative electric heating, heat-insulating and fireproof board for fireplace ,stoves etc. Field of environment: used as the sorbent and used to the disposal of the wastewater and the depuration of the exhaust gas.