Хятадаас ирсэн цагаан элсэн чулуу
White sandstone is a kind of natural stone with no light pollution and no radiation. It has no radioactive damage to human is moistureproof, antiskid, sound absorption, absorbable, tasteless, no radiation, no fading, warm winter and cool in summer, warm and elegant,Not cracking, non deforming, rotting, and fading compared with to the characteristics of this kind of ...