goods, how to identify genuine leather? 1 hand touch the hand that touched the leather surface, if smooth, soft, plump, flexible feel is the dermis; while the general synthetic leather face astringent, rigid, soft and poor. 2 Seeing real leather surface will have a clearer pores, pattern, yellow leather have a more symmetrical pores, yak skin has coarse pores and sparse, scaly pores goatskin there. (3) all smell the smell the smell of leather has leather; leather has a pungent and strong plastic smell. 4 ignite torn from real leather and leatherette back a little fiber, lit, where the pungent odor, is formed lump of leather; who issued the hair smell, does not bear hard lump is leather. Ningbo custom notebook printing process according to the level of the skin can be divided into the first layer and the second layer of skin, the first layer of skin is directly processed by a variety of animals from the original skin, or a thicker cortex cattle, pigs, horses and other animals after the skin hair removal cross into upper and lower levels, the upper part of the fiber-organized first layer