Grade A qualifications cover the following field: geotechnical investigation and surveying, engineering design,engineering consultancy, engineering construction costing, surveying and mapping, construction supervision, and geological hazard control works (investigation, design, supervision), geological hazard risk assessment etc. Grade B qualifications for environmental impact assessment, Grade C qualifications for soil and water conservation scheme;CEC was appointed by Beijing Municipal Commission of Urban Planning to review design documents on rail transit works and related works in urban infrastructure, and was appointed by the Ministry of Housing and Urban-Rural Development to test and examine construction quality;With China metrology accreditation certificates issued by the supervision and administration commission of the country.CEC holds metrological certificate issued by competent authority, business license for overseas project, is one of the designated survey and design institutes for foreign aid projects, and one of the consultants in foreign aid projects economic and technical service network. It is qualified for geotechnical investigation and surveying, consultancy, design, construction supervision, and supply of labor force, equipment and materials, and foreign economic cooperation for overseas projects and foreign-funded projects in China.
	
	
		CEC has got the ISO9001 quality management system certification, occupational health and safety management system certification and environmental management system certification.
	
	
		
 
	
	
		Comprehensive Grade-A Qualification Certificate of Engineering Survey 
	
	
		
 
	
	
		Comprehensive Grade-A Qualification Certificate of Engineering Design 
	
	
		
 
	
	
		Grade-A Qualification Certificate of Engineering Consultation 
	
	
		
 
	
	
		Qualifications Certificate of Overseas Engineering Contract of 
	
	
		the People’ Republic of China 
	
	
		
	
	
		Qualification Certificate of China Railway
Engineering Consulting Group 
	
	
		
 
	
	
		
			
				
					| 
						 
							S.N. 
						 
					 | 
					
						 
							Name
  of the Certificate 
						 
					 | 
					
						 
							Certificate No. 
						 
					 | 
					
						 
							Grade 
						 
					 | 
				
				
					| 
						 
							1 
						 
					 | 
					
						 
							Qualification
  Certificate of Engineering Consultation 
						 
					 | 
					
						 
							Engineering Consulting Grade
  A  20120070098 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							Engineering Consulting Grade
  B 20120070098 
						 
					 | 
					
						 
							B 
						 
					 | 
				
				
					| 
						 
							Engineering Consulting Grade C
  20120070098 
						 
					 | 
					
						 
							C 
						 
					 | 
				
				
					| 
						 
							2 
						 
					 | 
					
						 
							Qualification Certificate of
  Engineering Survey  
						 
					 | 
					
						 
							B111001393 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							3 
						 
					 | 
					
						 
							Qualification Certificate of Engineering Design 
						 
					 | 
					
						 
							A111001393 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							  
						 
						
							4 
						 
						
							  
						 
					 | 
					
						 
							Qualification Certificate of
  Engineering Cost Consultation 
						 
					 | 
					
						 
							Grade A 120111520317 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							5 
						 
					 | 
					
						 
							Qualification Certificate
  of  Surveying and Mapping Engineering 
						 
					 | 
					
						 
							Grade A 1100168 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							Grade B 1110326 
						 
					 | 
					
						 
							B 
						 
					 | 
				
				
					| 
						 
							6 
						 
					 | 
					
						 
							Qualification Certificate of Engineering Design for  Geological Disaster Prevention and Control  
						 
					 | 
					
						 
							No. 2005301008  
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							7 
						 
					 | 
					
						 
							Qualification Certificate of Engineering Survey for Prevention and
  Control of Geohazard 
						 
					 | 
					
						 
							No.(20072101021) 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							8 
						 
					 | 
					
						 
							Qualification Certificate of geological hazard assessment 
						 
					 | 
					
						 
							No.(20101101003) 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							9 
						 
					 | 
					
						 
							Qualification Certificate of 
						 
						
							Environmental Impact Assessment for Construction Project 
						 
					 | 
					
						 
							National EIA Grade B No. 1052 
						 
					 | 
					
						 
							B 
						 
					 | 
				
				
					| 
						 
							10 
						 
					 | 
					
						 
							Qualification Certificate of 
						 
						
							Censorship Institution of
  Construction Drawing for Beijing Municipal infrastructure Project 
						 
					 | 
					
						 
							01304 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							11 
						 
					 | 
					
						 
							Qualification Certificate of 
						 
						
							Special Equipment Design 
						 
					 | 
					
						 
							TS1811017-2019 
						 
					 | 
					
						 
							GB1、GB2、GC2 
						 
					 | 
				
				
					| 
						 
							12 
						 
					 | 
					
						 
							Qualification Certificate of 
						 
						
							 Compilation of  the Water and Soil Conservation Scheme  
						 
					 | 
					
						 
							Water and Soil Conservation Scheme
  Beijing Grade C No. 004 
						 
					 | 
					
						 
							C 
						 
					 | 
				
				
					| 
						 
							13 
						 
					 | 
					
						 
							Qualification Certificate of
  Soil and Water Conservation Monitoring Level Evaluation 
						 
					 | 
					
						 
							Soil and Water Conservation
  Monitoring Grade B No. 017  
						 
					 | 
					
						 
							B 
						 
					 | 
				
				
					| 
						 
							14 
						 
					 | 
					
						 
							Qualification
  Certificate of Agency for Project Bidding  
						 
					 | 
					
						 
							F211001390 
						 
					 | 
					
						 
							Tentative 
						 
					 | 
				
				
					| 
						 
							15 
						 
					 | 
					
						 
							Qualification Certificate of
  Compilation of Energy Saving Assessment for Fixed Assets Investment Project  
						 
					 | 
					
						 
							Beijing NDRC No. [2012]1505 
						 
					 | 
					
						 
							  
						 
					 | 
				
				
					| 
						 
							16 
						 
					 | 
					
						 
							Qualification
  Certificate of Agency for compilation of Beijing Construction Project Traffic
  Impact Evaluation Report 
						 
					 | 
					
						 
							The Announcement of Transport
  Administration Commission in 24 December, 2013 
						 
					 | 
					
						 
						
							  
						 
					 | 
				
				
					| 
						 
							17 
						 
					 | 
					
						 
							Qualification
  Certificate of Agency for Fixed Assets Investment Projects Evaluation of
  Beijing Municipal Government 
						 
					 | 
					
						 
							  The Announcement of Beijing
  NDRC  
						 
					 | 
					
						 
							  
						 
					 | 
				
			
		
	 
	
		Qualification
Certificate of the Subsidiary 
	
	
		
		
			
				
					| 
						 
							S.N. 
						 
					 | 
					
						 
							Name of the Certificate 
						 
					 | 
					
						 
							Certificate No. 
						 
					 | 
					
						 
							Certificate Grade 
						 
					 | 
				
				
					| 
						 
							Beijing
  Zhongtie Chengye Engineering Construction Supervision Company  
						 
					 | 
				
				
					| 
						 
							1 
						 
					 | 
					
						 
							Qualification Certificate of
  Engineering Supervision 
						 
					 | 
					
						 
							E111007055 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							2 
						 
					 | 
					
						 
							Qualification Certificate of
  Engineering Supervision 
						 
					 | 
					
						 
							E211007052 
						 
					 | 
					
						 
							B 
						 
					 | 
				
				
					| 
						 
							3 
						 
					 | 
					
						 
							Qualification Certificate of Engineering Supervision for
  Prevention and Control of Geohazard 
						 
					 | 
					
						 
							No. 2005501002 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							Beijing
  Engineering Detection Company of China Railway Engineering Consulting Group 
						 
					 | 
				
				
					| 
						 
							1 
						 
					 | 
					
						 
							Qualification Certificate of
  Quality Testing Institution for  Engineering Construction 
						 
					 | 
					
						 
							(Beijing)Engineering Construction Quality Testing
  No. 007 
						 
					 | 
					
						 
							Specialized Testing 
						 
					 | 
				
				
					| 
						 
							2 
						 
					 | 
					
						 
							Qualification Certificate of Metrological
  Service 
						 
					 | 
					
						 
							2012002588N 
						 
					 | 
					
						 
							National 
						 
					 | 
				
				
					| 
						 
							Zhongtie Jinan Engineering Construction
  Supervision Company 
						 
					 | 
				
				
					| 
						 
							1 
						 
					 | 
					
						 
							Qualification Certificate of
  Engineering Supervision 
						 
					 | 
					
						 
							E137008379 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							2 
						 
					 | 
					
						 
							Qualification Certificate of
  Engineering Cost Consultation 
						 
					 | 
					
						 
							A 120137520320 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							Zhongtie Jinan
  Engineering Technology Company 
						 
					 | 
				
				
					| 
						 
							1 
						 
					 | 
					
						 
							Qualification Certificate of
  Engineering Investigation  
						 
					 | 
					
						 
							B137027649 
						 
					 | 
					
						 
							A 
						 
					 | 
				
				
					| 
						 
							2 
						 
					 | 
					
						 
							Specialized Contract for
  Subgrade and Fundation Engineering, Specialized Contract for Railway
  Electrical Service Engineering 
						 
					 | 
					
						 
							B1014037010557 
						 
					 | 
					
						 
							A,C 
						 
					 | 
				
				
					| 
						 
							3 
						 
					 | 
					
						 
							Qualification Certificate of
  Engineering Survey for Prevention and Control of Geohazard 
						 
					 | 
					
						 
							Shandong Geologic Hazard
  Survey No. 20112315017  
						 
					 | 
					
						 
							C 
						 
					 | 
				
				
					| 
						 
							4 
						 
					 | 
					
						 
							Qualification Certificate of
  Engineering Design for Prevention and Control of Geohazard 
						 
					 | 
					
						 
							Shandong Geologic Hazard
  Survey No. 20113315019  
						 
					 | 
					
						 
							C 
						 
					 | 
				
				
					| 
						 
							5 
						 
					 | 
					
						 
							Qualification Certificate of
  Engineering Construction for Prevention and Control of Geohazard 
						 
					 | 
					
						 
							Shandong Geologic Hazard
  Survey No. 20114315021 
						 
					 | 
					
						 
							C 
						 
					 | 
				
				
					| 
						 
							6 
						 
					 | 
					
						 
							Qualification Certificate of
  Engineering Assessment for Prevention and Control of Geohazard 
						 
					 | 
					
						 
							Shandong Geologic Hazard
  Survey No. 20111315038 
						 
					 | 
					
						 
							C 
						 
					 | 
				
				
					| 
						 
							Shanxi Zhongtie
  Beiche Engineering Construction Company 
						 
					 | 
				
				
					| 
						 
							1 
						 
					 | 
					
						 
							Qualification Certificate of
  Building Construction Company 
						 
					 | 
					
						 
							B3584014010547 
						 
					 | 
					
						 
							C 
						 
					 |