What if Party A doesn't pay the final payment, answer the phone or return the message?

Party A of the state-owned enterprise does not pay the final payment, answer the phone or return the information. According to the relevant public information, Party A, a state-owned enterprise, did not pay the final payment, answer the phone or return the information to safeguard its legitimate rights and interests through judicial channels, sued the other party and demanded to get back the liquidated damages for the final payment. The other party constitutes a direct prosecution for breach of contract.