Relying on shandong university national coal pollution reduction engineering laboratory joint research and develop-  ment of ozone oxidation denitrification application,shandong province ultra-clean emission technology alliance joint re- search and development of ozone for ultra-clean nox emissions,vocs governance,backed by shandong university strong sci- entific and technological support,industry-university-research cooperation.the company has more than 30 r&d personnel,  including 5 doctors and 11 senior engineers,who have long been engaged in oxygen generator,ozone production and manu-facturing and engineering application technology.