We set up a good tracking system, sales of every batch of products like we have to stay.

我们建立了良好的跟踪体系，销售的每一批产品我们都有留样。

youdao

We can ensure consistency in the quality of every batch of products.

我们能够保证每一批产品质量一致。

youdao

We can ensure consistency in the quality of every batch of products.

我们能够保证每一批产品质量一致。

youdao