第五条　【公平原则】当事人应当遵循公平原则确定各方的权利和义务。
       Article 5 The parties shall adhere to the principle of fairness in deciding their respective rights and obligations.

       第六条　【诚实信用原则】当事人行使权利、履行义务应当遵循诚实信用原则。
       Article 6 The parties shall observe the principle of honesty and good faith in exercising their rights and performing their obligations.

       第七条　【遵纪守法原则】当事人订立、履行合同，应当遵守法律、行政法规，尊重社会公德，不得扰乱社会经济秩序，损害社会公共利益。
Article 7 In concluding and performing a contract, the parties shall comply with the laws and administrative regulations, respect social ethics, and shall not disrupt the social and economic order or impair the public interests.

       第八条　【依合同履行义务原则】依法成立的合同，对当事人具有法律约束力。当事人应当按照约定履行自己的义务，不得擅自变更或者解除合同。依法成立的合同，受法律保护。
       Article 8 A lawfully established contract shall be legally binding on the parties thereto, each of whom shall perform its own obligations in accordance with the terms of the contract, and no party shall unilaterally modify or terminate the contract.The contract established according to law is protected by law.