摘要
IN the early morning of November 3,2020,Chen Jiankun,who lives in Sanlin Village,Deqing County,Zhejiang Province,headed to his snakehead fishpond as he did every day.Snakeheads are a kind of elongated predatory freshwater fish.After feeding the fish,he took out a matchstick-sized plastic chip,“The chip is inserted in the skin of each fish,and consumers can know the origin of the fish and the information of the farmer by scanning each chip code via their mobile phones.”
