On January 26, 2011, a Danish Delegation from Aarhus University visited ION. Delegation members included Profs. Leif Stergaard, Poul Henning Jensen, Anders Nykjr and Kimmo Jensen. Dr. Jia-Wei Zhou, Deputy Director of SKLN, hosted their visit and gave a brief description of current research at ION. Drs. Yi-Zheng Wang, Zhen-Ge Luo, Zhi-Qi Xiong and Fu-De Huang attended the discussion with the Danish delegation.