A delegation of Vietnam Institute of Geosciences and Mineral Resources(VIGMR), led by Dr. Dang Tran Huyen, paid a special visit to Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences(NIGPAS) from October 25 to 28, 2010, accompanied by Mrs. Nguyen Thi Kim Quy, from Vietnam Ministry of Natural Resources and Environment.