| 
						 Contractor 
						 | 
						
						 Construction content 
						 | 
						
						 Contract pattern 
						 | 
						
						 Main thermal insulation material 
						 | 
					
					
						| 
						 China Chemical Engineering 7th Construction Co., Ltd. 
						 | 
						
						 all maintenance, thermal insulation and anti-corrosion of synthesis ammonia and urea 
						 | 
						
						 contract for labor and materials 
						 | 
						
						 high temperature centrifugal glass wool, polyurethane 
						 | 
					
					
						| 
						 China Chemical Engineering 16th Construction Co., Ltd. 
						 | 
						
						 thermal insulation and anti-corrosion in tank zone 
						 | 
						
						 contract for labor and materials 
						 | 
						
						 polyurethane, glass wool, 
						foam glass 
						 | 
					
					
						| 
						 China Chemical Engineering 6th Construction Co., Ltd. 
						 | 
						
						 Equipment insulation in torch zone, cold insulation of liquid nitrogen storage tank foam glass and material supply 
						 | 
						
						 contract for labor and materials 
						 | 
						
						 high temperature centrifugal glass wool, thermal insulation rock wool, aluminium silicate, foam glass 
						 | 
					
					
						| 
						 China Five Rings Engineering Co., Ltd. 
						 | 
						
						 painting make-up of equipment and steel structure handrail, pipeline logo 
						 | 
						
						 contract for labor and materials 
						 | 
						
						 various antifouling paint 
						 | 
					
					
						| 
						 China Chemical Engineering 14th Construction Co., Ltd. 
						 | 
						
						 pipeline anticorrosion and heat preservation of fuel coal system and raw material coal system; insulation installation of boiler, turbine and electric precipitation air hose 
						 | 
						
						 contract for labor and materials 
						 | 
						
						 glass wool, rock wool 
						 |