英语语法分析

I need to buy any quantity of tinplate scrap.

求购废镀锡铁皮，数量不限。

My company specialized in tinplate packaging products.

我公司专业从事马口铁包装产品。

Modern materials, including stainless steel and plastics, have replaced tinplate in many common applications.

现在所用的不锈钢和塑料的材料已经逐步代替镀锡钢板而被普遍使用。