"Good history" as mentioned in the Regulations on the Administration of Grain Circulation refers to

Professional knowledge, grasp the relevant laws, regulations and policies, and be competent for the supervision of grain circulation.

Good history refers to people who have good work records and achievements in the field of grain circulation management. Professional knowledge, understand the relevant provisions and policies of grain circulation, be familiar with the grain market operation mechanism, and master the standards and methods of grain quality and safety supervision. Good history, good working ability and professional ethics. Strong organization and coordination ability, can effectively supervise grain circulation, prevent and deal with food quality and safety problems. High sense of responsibility and professionalism, able to conscientiously perform supervisory duties and ensure the safe and smooth circulation of grain.