Permits for Belarus General contract certificate. Construction and installationcertificate of conformity. Certificate of technical competence. Gospromnadzor license. Drilling permit of the Ministry of Emergencies. Permit of the Ministry of Emergency Situations for certification of welders Non-destructivetesting laboratory accreditation certificate. TUV ISO 14001 certificate TUV ISO 9001 and OHSAS 45001 certifiсate Certificates for construction and installation works of the branch in Dzerzhinsk