Rob Emery, Advanced entomologist of Agriculture Department in Western Australia visit ASAG on August 16^th, 2012 and received by Li Fujun who is the chief engineer and director of the National Engineering Laboratory of grain storage and transportation, and Cao Yang who is the deputy chief. Important questions in the field of pest resistance to phosphine detection, remote diagnostics of grain pest resistance, comprehensive prevention and control of pests as well as grain storage and transportation technology, were discussed during the visit. Chen Jiadong, the director of the Food Research Institute of Guangdong Province, and Professor Zeng Ling also attended the visit.