Safety production standardization certificate
    		                		Design capability evaluation Certificate - Original
    		                		Grade 3 Certificate of environmental protection engineering professional contracting
    		                		Safety permit
    		                		High tech enterprise certificate
    		                		Jiangsu Province certified enterprise technology center
    		                		Preparation unit of National Engineering Laboratory of organic pollutant control technology
    		                		Research and development units of VOCs whole process control technology and engineering demonstration project of packaging and printing industry
    		                		Deputy director of waste gas purification Committee of China Environmental Protection Industry Association