1 What is Leather Technology
工業(yè)科技

        Tanners convert the raw hides and skins into leather. At its simplest,leather is hide or skin which has been treated so that it will not decay,and will last for hundreds of years. Every hide and skin is unique,and varies not only from species to species,b......（本文共 2734 字）     [閱讀本文] >>