On June 30, Dr Xie Zhiyong (谢志永） from Helmholtz-Zentrum Geesthacht（HZG）visited GIG. In the meantime, we have chance of a small gathering in my office, with Chongguo, Jainhui, Liu Guoqing and Zheng Qian.  Posted here also a picture took on 2012 when was the last time Zhiyong and I took picture together.

Dr Xie Zhiyong has been a close collaborator of the group. He is an analytical chemist.

A small gathering.

Dr Xie Zhiyong and his boss Ralf in HZG Germany has been an close collaborator of the group in Germany. (2012.4.24)