The 4th Hong Kong International Conference on Engineering and Applied Sciences (HKICEAS) will be held on December 16-18, 2015, in Hong Kong. The HKICEAS Conference offers a great opportunity to bring together professors, researchers and scholars around the globe a great platform to deliver the latest innovative research result and the most recent development and trends in engineering and applied sciences field.Received supports and encourages from lots of scholars, we are pleased to announce that we are going to hold the fourth HKICEAS in Hong Kong.2015 HKICEAS looks for significant contributions to the engineering and applied science in theoretical and practical aspects.Original papers are invited on Biomedical Engineering, Environmental Sciences, Material Sciences and Engineering, Fundamental and Applied Sciences, Civil Engineering,  Computer and Information Sciences, Mechanical Engineering, Chemical Engineering, Electrical and Electronic Engineering...and many other topics in related area.The aim of the conference is to provide a platform to researchers and practitioners from both academia as well as industry to meet and share cutting-edge development in the field.