I had mentioned months ago that I thought there might be the chance that pangbo group would be involved in tracking, vax passport green passport type of business as they mentioned as one of their business models medical online or something like that. if you read the company profile one of the many things yicheng technology co has listed is specialty cards, tracking, animal tagging etc.. seems to me we may I say "may' be involved in something that is going to be absolutely huge. still looking into this latest post on stocktwits concerning yicheng technology co ltd that he posted.