The production and sale of blocks of aerated concrete wall 2 and 3 accuracy categories in accordance with STB 1117-98 313359-2007 GOST GOST 313360-2007 different sizes. Stone concrete side direct STB 1097-98 BR 100.30.15-M BRT 100.20.8-M. concrete paving Tiles"Brick" STB 1071-2007 P. 11.6-MA,R21.11.8-MA.