Should I sign the letter of commitment issued by Anxin Credit Information?

Must sign. According to the provisions of the Civil Code of People's Republic of China (PRC) (PRC), it is necessary to sign a letter of commitment, that is, the offeree completely agrees to the offer in writing, that is, the offeree agrees to accept all the conditions of the offer and forms a contract with the offeror, so it must be signed. The law requires that civil activities should follow the principles of voluntariness, fairness, equal compensation, honesty and trustworthiness. As long as the promisor is not subject to invalid or revocable civil legal acts such as fraud, coercion, major misunderstanding, etc. when signing the letter of commitment, the letter of commitment has legal effect.