商事居间是指商主体为获取一定的佣金而从事为委托人与第三人订立合同提供缔约机会或者进行介绍,以促成合同订立的行为。商事居间是以委托人与第三人之间订立合同为目的的特殊商行为,居间人在商事居间活动中处于中介人的地位,并不介入委托人与第三人所签订的合同关系之中。居间商的权利有:报酬请求权和费用偿还请求权。国家有限制 Commercial intermediaries refers to the main business entities in order to obtain a certain commission engaged in the contract with the third party to provide contracting opportunities or to introduce, in order to facilitate the conclusion of the contract. Chamber of Commerce is a special business firm with the purpose of entering into a contract between the principal and the third party. The intermediary is in an intermediary position in the commercial intermediary activities and does not intervene in the contractual relationship between the principal and a third party . Intermediaries have the right to: remuneration claims and claims reimbursement. Countries have restrictions