证明左拟正规带范畴中张量积的存在性，并证明了它与半群张量积的关系，同时给出半格在左拟正规带范畴中张量积与在半格范畴中张量积之间的关系。

The existence of a tensor product is proved in the left quasi-normal band category, and the relationship with the tensor product in the semi-group category is provided.

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作为拟C-半群的推广，本文定义了左半正则纯整群并半群，给出了它的左半织积结构。

As a generalization of quasi C semigroups, left semiregular orthogroups are defined in this paper.

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