Certificates Gallery Articles Certificates Certificates In terms of physical and mechanical properties, they correspond to GOST 8267-93. The quality of crushed stone of all fractions is confirmed by certificates of conformity and sanitary and epidemiological conclusions. 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. Certificate of Conformity No. ROSS RU.CM25.H00237 Certificate of Conformity No. ROSS RU.CM25.H00238 Certificate of Conformity No. SSFTZh RU.TsP07.B.10473 Front side back side Permission to use the mark of conformity No. С-10473 Front side back side Products comply with GOST standards About us Crushed stone production Catalog Request Contacts © 2014 - "Spetstekhproekt" About us Crushed stone production Catalog Request Contacts Site development: Internet Agency Dextra Email: tdus2008@gmail.com

Crushed stone production Gallery Articles Certificates Mining operations are carried out using single-bucket excavators EKG-5A and EKG-4.6B both for production and overburden with loading of rock mass with loaders CAT-990 and CAT-966 into CAT 774D dump trucks. Loosening of rocks is carried out by drilling and blasting, by the method of vertical borehole charges. Processing of raw materials for crushed stone is carried out at DSU 900 - a stationary crushing and screening plant (2008), with a production capacity of 900,000 m3 per year, a METSO complex (Finland, 2014), with a production capacity of 1,500,000 m3 per year and an autonomous mobile crushing -sorting plant TEREX (USA, 2010). The total capacity for processing raw materials for crushed stone is 3,150,000 m3 per year. The shipment of finished products is carried out in railway cars through a loading platform equipped with loading nodes, three underground galleries with conveyors, 1000 mm wide and electronic railway scales. Products comply with GOST standards About us Crushed stone production Catalog Request Contacts © 2014 - "Spetstekhproekt" About us Crushed stone production Catalog Request Contacts Site development: Internet Agency Dextra Email: tdus2008@gmail.com

news news Characteristics of crushed porphyry stone 8 September 2014 Dear friends, we have launched a new website. 24 June 2014 Since June 24, 2014 OJSC “SPETSTEKHPROEKT” was reorganized into Limited Liability Company “SPETSTEKHPROEKT”. 13 November 2013 Our company has a website 13 October 2009 The Tyumen plant of ceramic products offers ceramic floor tiles. 1 October 2009 A German line for the production of wooden windows and doors operates at the Polevskoy Woodworking Plant (Sverdlovsk Region). Products comply with GOST standards About us Crushed stone production Catalog Request Contacts © 2014 - "Spetstekhproekt" About us Crushed stone production Catalog Request Contacts Site development: Internet Agency Dextra Email: tdus2008@gmail.com