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      Insist on innovation and development, and listen to insights and voices from various technical fields around the world.
      
				
      
			
      
		
      
		
		
      
			
      
				 				  
				 				 
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							2021-03-29
							
      DDTOP Group Participated in the Drafting of National Standards for Transmitters
      
							
      DDTOP Group participates in the drafting of national standards for transmitters …
      
						
      
					
      
				      
								
					
      
						
      
						
      
							2021-02-01
							
      Yunnan Petrochemical Operation and Maintenance Project Successfully Completed
      
							
      From the beginning of December 2020 to the end of January 2021, nearly two-month…
      
						
      
					
      
				      
								
					
      
						
      
						
      
							2021-01-27
							
      Security Guardians-2020 Yunnan Petrochemicals Operation and Maintenance Record
      
							
      Security Guardians -2020 Yunnan Petrochemicals Operation and Maintenance Record …
      
						
      
					
      
				      
								
					
      
						
      
						
      
							2020-09-02
							
      Jinxi Petrochemical 2020 Overhaul
      
							
      China National Petroleum Corporation Jinxi Petrochemical Company has kicked off …
      
						
      
					
      
				      
								
					
      
						
      
						
      
							2020-09-02
							
      DDTOP Passed Three-System Audit
      
							
      8th-10th?June 2020, Northeast Certification Limited Company audit team of 6 peop…
      
						
      
					
      
				      
								
					
      
						
      
						
      
							2020-09-02
							
      Dandong Water Bureau Leaders Visit DDTOP
      
							
      On June 18th, Mr. Wang, Director of Dandong Water Bureau and Mr. Zhang, Chairman…
      
						
      
					
      
				      
				
			
      
			
      
				
				
				
      
			
			
		
      
		
		
		 



	
		
		
		
		








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