2. There are two main situations of breach of contract: First, the no performance at all Agreement. 20. The content of the performance does not meet the requirements of the agreement. The existence of the above two situations is regarded as a breach of contract. What you described as "the other party failed to perform the contract" is a breach of contract.
3. Those who violate the contract shall be liable for breach of contract. If there is no agreed liquidated damages and negotiation fails, it shall be determined according to the actual loss.