just for your info as I understand that in your professional life you were only dealing with grocery shops.( nothing wrong with grocery shops as my parents owned one )
Larger companies have several layers of decision levels. Once you convinced the technical experts this is going through these different levels plus the legal department.
They obviously asked for more data as explained in a later PR and are going through that data. It will take the time that it needs to close the deals. We are not selling soap but a technology which will be there for the next decades.