企业兼并主要有3种类型:①横向兼并,指生产同一产品的企业之间或其产品具有密切替代关系的企业之间的兼并。②纵向兼并,指处在同一产品生产(或同一生产过程)不同阶段的企业之间的兼并。发生纵向兼并的企业,其产品具有密切的投入产出关系。③混合兼并,指生产不同产品的企业间的兼并。 There are mainly three types of corporate mergers: 1 Horizontal mergers, which refers to mergers between companies that produce the same product or companies whose products have close alternatives. 2 Vertical merger refers to the merger between companies in different stages of production (or the same production process) of the same product. In the case of vertical mergers and acquisitions, their products have a close relationship between input and output. 3 mixed mergers, refers to the merger between companies that produce different products.