Cheng Mengchun, senior laboratory technician. She got her bachelor's degree from Jilin Medical College in 2000. Since April 2002, she worked in Dalian Institute of Chemical Physics, Chinese Academy of Sciences. In 2012, she was appointed the senior laboratory technician of Dalian Institute of Chemical Physics. She was mainly engaged in research work including protein sample pretreatment, cell culture and protein purification. She has participated in a number of projects including National Science and Technology Support Program, 973 program, National Natural Science Foundation Program and Knowledge Innovation Program of The Chinese Academy of Sciences. She has published more than 20 articles and applied for more than 30 domestic patents.