BT SVAP LLC has carried out product verification procedures and Declarations forming for the composition of concrete mixtures supplied to the consumer, as part of the supply of cement-sand and concrete mixtures for the construction of the Moscow-Kazan highway. In addition, certification of more than 210 compositions of DSP (cement-sand mixtures), CPR (cement-sand mortars) and BST (concrete mixtures) in the GOST R system was carried out. BT SVAP LLC.