1 Not using the clay as raw material to destroy any field 2 Making use of three industrial wastes to change wastes into valuables 3 Not using fire to bake blocks and not building kiln to save resources and fields 4 No chimney to protect the environment and avoid pollution 5 Production process is simple, they can be made everywhere 6 Low investment and achieving much faster results, customers can profit in half a year after investing. 7 The block can be produced all around the year 8 Good looking, construct conveniently 9 Technical criteria is better than those of red brick and green brick