Many products manufactured in this town has labels with these black and white stripes.

Many products manufactured in this town have been labeled with these black and white stripes
应该被动而且要用复数 被贴上标签

Many products manufactured in this town has labels with these black and white stripes.
看一下中间是个定语从句，但是主语是many products这是复数，他的谓语自然要相应的为have了！而后面是has所以错误
正确的是Many products manufactured in this town have labels with these black and white stripes
have/has sth. with: a. 随身带着 正确，无须被动