ECEC has obtained following credentials to perform its works legally and professionally.

• Credentials for import & export and overseas turnkey project contracting
• Class A credential for turnkey project contracting
• Class A credentials for engineering design of chemical, petrochemical, pharmaceutical and
  architecture
• Class A credentials for engineering design of municipal utilities (water supply & sewerage,
  heat supply, city gas, hygiene)
• Credential for engineering design of thermal power plant
• Credential for engineering design of transferring pipeline and tank farm of petroleum and
  natural gas industry
• Credential for engineering design of municipal planning and gardening
• Class A credential for construction supervision
• Class A credential for engineering consultation
• Class A credential for investment consultation in the industrial and commercial fields
• Credential for project estimate consultation
• Class A credential specially for engineering design of environmental pollution control
• Class A credential specially for engineering design of intelligent buildings
• Credential for pressure vessel design and analysis
• Credential for pressure piping design
• Credential for operation of environmental protection facilities
• Credential for safety and evaluations
• ISO9001-2000 quality system certificate of conformity
• RVA ISO9001-2000 quality system certificate of conformity
• Certificate of member of FIDIC member of association
• Certificate of member of CAIEC, CHINCA, CCCME