A delegation comprising Prof. Dr. Arshid Pervez, Prof. Dr. Muhammad Irshad, and Dr. Qaisar Mahmood (TI) from department of Environmental Sciences visited Northwestern polytechnical University XiAn China during July 6 – 11, 2017. The matters of mutual collaboration were discussed between officials of the university and delegation from COMSATS. The delegation presented their research work in First International Conference on Environment and Human Health Systems Engineering 8-9 Jul. 2017, Xi,an city P. R. China. Visiting faculty Mr. Munir Sawati also presented his research work in the conference.