There are a lot of government procurement processes for institutions and it takes a long time to go through the process until payment is completed. Maybe the process has not been completed and still waiting for payment, you can go to the relevant person to find out what the situation is.
Procurement has a procurement budget reported for approval, procurement plan reported for approval, procurement business entrusted, issued a procurement notice, according to a procurement method of procurement, such as bidding, etc., expert evaluation of bids, issued a winning bid announcement, signing a procurement contract, payment.