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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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