Lava stone is produced from volcanic eruptions. It is a rough stone fairly light in weight and grey in color. The strange of lava stone is its vesicular and natural, seeing from its cutting surface , the holes are much bigger in the upper and smaller downwards and more highly concentrated. 
This kind of stone material has the special features which other stone material doesn’t have for its individual holes, such as sound absorption and insulation, heat insulation and reserve, frozen proof etc. It has good sightseeing for the continuous big and small holes, with primitive simplicity and elegant style.
Every environmental test of this stone is all fine under very strict inspections, it is green environmental building material. It also has features of sour and alkali proof, can be used in many areas.

   2013-1-31