Documents Gallery Articles Certificates Passports Certificates The quality of crushed stone products of SPETSTEKHPROEKT LLC with certificates and declarations of conformity TR CU 04/2011. In terms of the content of natural radionuclides, porphyrites belong to the 1st class of building materials, which means that its use is unlimited in all types of construction. License No.CHEL 80317 TE for the right to use subsoil Front side Certificate for mixtures in accordance with GOST 25607-09 dated 08/10/2018 Front side Declaration of Conformity GOST 31424-2010 and TR CU 014 2011 (0-5, 3.0, 3-5) Front side Declaration of Conformity GOST 32730-14 and TR CU 014 2011 Front side Declaration of Conformity GOST 32703-2014 and TR CU 014 2011 Front side Declaration of conformity GOST 7392-2014 and TR CU 003 2011 (25-60) Front side Declaration of Conformity GOST 8267-93 and TR CU 014 2011 Front side Declaration of conformity GOST 8267-93 and TR CU 014 2011 but Front side The products comply with GOST 8267-93, GOST 31424-10, GOST 24607-09, GOST 32730-14 GOST 32703-14, GOST 7392-14. © 2014 - "Spetstekhproekt" About us Crushed stone production Catalog Application Contacts Website development: Internet Agency Dextra Email: 5 690@tdus.ru