Chen Yanwei Senior Researcher of CSNS CSNS chenyw@ihep.ac.cn Chen Yanwei obtained his bachelor degree in Automation from Gansu University of Technology in 1982. From 1982 to 1997, he worked at the Institute of Modern Physics and participated as one of the key experts at the Heavy Ion Research Facility project in Lanzhou. From 1997 to 1999, he visited Italy, and worked as the visitor researcher at Southern National Laboratory of the National Institute for Nuclear Physics. Since 1999, he began to work at IHEP as a senior engineer, and he had lots of working experiences in operating large-scale scientific facilities such as Beijing Electron Positron Collider (BEPC), BEPC II and the China Spallation Neutron Source (CSNS).