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Name of the certificate |
![](/images/certificates/web_mini/cert_1.jpg) |
Certificate of conformity of QMS in design and production of aluminosilicate proppants for the oil and gas industry to the requirements of specification API Spec Q1 by American Petroleum Institute
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![](/images/certificates/web_mini/ISO-TS-29001-от-02.06.11-до-02.jpg) |
Certificate of conformity of QMS in design and production of aluminosilicate proppants for the oil and gas industry to the requirements of technical specification ISO/TS 29001
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![](/images/certificates/web_mini/cert_2.jpg) |
Certificate of conformity of QMS in design, manufacture and supply of aluminosilicate, corundum-carbonaceous, corundum-graphitic, carbon oxide,periclase-spinel, aluminosilicate proppants to requirements of GOST R ISO 9001-2008
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![](/images/certificates/web_mini/KMKRU-45 TU-14-8-647-94.jpg) |
Mullite-siliceous refractories KMKRU-45 as per Spec. 14-8-647-94, rev.1
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![](/images/certificates/web_mini/KUSD-80 GOST R 52801-2007.jpg) |
Corundum-carbonaceous nonswirl nozzles KUSD-80 for continuous steel casting as per GOST R 52801-2007
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![](/images/certificates/web_mini/KUSM GOST R 52801-2007.jpg) |
Corundum-carbonaceous stopper monoblocks KUSM for continuous steel casting GOST R 52801-2007
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![](/images/certificates/web_mini/MKS-72 GOST 24704-94.jpg) |
Mullite-corundum refractories MKS-72 as per GOST 24704-94
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![](/images/certificates/web_mini/MKV-72 GOST R 54300-2011.jpg) |
Mullite-corundum refractories MKB-72 as per GOST R 54300-2011
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![](/images/certificates/web_mini/SHA GOST 53406-2009.jpg) |
Fire clay refractories SHA as per GOST R 53406-2009
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![](/images/certificates/web_mini/SHKU-37 GOST R 53933-2010.jpg) |
Fire clay refractories SHKU as per 37 GOST R 53933-2010
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![](/images/certificates/web_mini/SHPD-39 GOST 1598-96.jpg) |
Fire clay refractories for blast furnace setting SHPD-39 as per GOST 1598-96
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![](/images/certificates/web_mini/SHPD-41GOST1598-96.jpg) |
Fire clay refractories for blast furnace setting SHPD-41 as per GOST 1598-96
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![](/images/certificates/web_mini/SHS-32 plast GOST 11586-2006.jpg) |
Fire clay refractories for steel bottom casting (plastic mode of production) SHS-32 as per GOST 11586-2005
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![](/images/certificates/web_mini/SHS-32 polusuh GOST 11586-2006.jpg) |
Fire clay refractories for steel bottom casting (semi-wet process) SHS-32 as per GOST 11586-2005
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