Nitrate removal Tralin group 3x520 desulfurization
					 
				
					
						
						Shanxi Yongxin project has been completed successfully
					 
				
					
						
						First phase test of Qingzhou Yi energy thermoelectric project, two phase hoisting
					 
				
					
						
						Three phase ammonia desulphurization project of Weifang coking plant
					 
				
					
						
						Asd chemical industry entered the end stage
					 
				
					
						
						Hebei Dongguang chemical tower linkage test
					 
				
					
						
						Progress in the project of Zhongyuan Dahua methanol industry department
					 
				
					
						
						Progress in ammonia desulphurization project of Zhonghua Dahua Chemical Fertilizer Industry Department
					 
				
					
						
						Inspection of the external system of the two phase calciner of CNOOC