On 3 June 2013, professors and staff from the Department of Industrial and Systems Engineering (ISE) of The Hong Kong Polytechnic University (PolyU), led by Acting Head Prof. K. C. Chan (5th from the right), visited China Aircraft Services Limited (CASL) and had a tour at its aircraft maintenance hangar and facilities.　 Dr. Angus Cheung (6th from the left), Chief Executive Officer of CASL was delighted to take this opportunity to exchange views with the academia.