- 签订合同 qiāndìnghétong to sign a contract
- 合同法 hétongfǎ contract law
- 合同制 hétongzhì contract systemA system for managing economic relationships by signing contracts to determine the rights and obligations of all parties involved
- 经济合同 jīngjìhétong economic contractAn agreement or protocol defining the rights and obligations of legal persons, individual businesses, or citizens in socio-economic activities to achieve specific economic goals.
- 合同工 hétonggōng contract workerA worker or employee who has signed a labor contract; known as [[契约工|契約工|qi4 yue1 gong1]] in Taiwan.
- 签合同 qiānhétong to sign a contractTo sign a contract or formal agreement
- 转包合同 zhuǎnbāohétong subcontracta contract where a project or job is passed from the primary contractor to another party
- 远期合同 yuǎnqīhétóng forward contractforward contract; long-term forward contract
- 阳合同 yánghétóng declared contractthe public or declared version of a dual contract that is submitted to authorities for tax purposes
- 阴合同 yīnhétóng secret contractthe private, lower-value contract in a dual-contract scheme, typically used for tax evasion or fraudulent purposes
- 分包合同 fēnbāohétóng subcontract
- 阴阳合同 yīnyánghétóng dual contractA fraudulent deal where parties sign two versions of an agreement: an unofficial "yin contract" with the real terms and an official "yang contract" with fake terms to deceive authorities, often for tax evasion.
- 劳务合同 láowùhétong service contractan agreement between a service provider and a client outlining the work to be performed
- 劳动合同 láodònghétong labor contractan agreement between an employer and an employee that establishes their relationship and defines their rights and obligations
- 劳动合同制 láodònghétóngzhì labor contract system
- 合同书 hétongshū contractthe written text of a contract; a formal legal agreement
- 合同各方 hétonggèfāng contracting partiesthe various parties to a contract in a legal context