所谓的汽车真皮是从动物身上剥下的原皮，然后通过皮革厂的加工制作而成。通常牛皮、羊皮和猪皮是制作真皮的主要原料。而真皮一般分为头层皮和二层皮两类， 两者的质量、价格、特点也各不相同。
The so-called automobile dermis is made from raw skin stripped from animals and processed by leather factories. Usually cowhide, sheepskin and pigskin are the main materials for making dermis. The dermis is generally divided into two types: the scalp and the second. The quality, price and characteristics of the two types of dermis are also different.