He Recognition leather hand touch: the touch leather surface stock material recycling, if smooth, soft, plump, flexible feel is the dermis; and general artificial synthetic leather face astringent, rigid, soft and poor. Seeing: leather uppers have a clearer pores, pattern, yellow leather have a more uniform pores, yak skin has coarse pores and sparse, mountain sheep have scaly pores. Odor: all leather has the smell of leather; the leather has a pungent smell of strong plastic. Lit: torn from the back of a little fiber, lit, issue hair smell, does not bear a hard lump of leather; emit a pungent odor, formed lump is leather. How to identify the characteristics of cowhide leather is leather surface pores small stock material recycling where affordable, there was a good round stock material recycling, distribution and compact, bright and smooth leather, texture, fullness, delicate, soft and smooth appearance, touch the solid texture and elastic. Such as pressing hard leather, there is a small wrinkle appears. Cattle Picon small, rounded, distributed uniformly and intimately, more straight to stretch inside the pores, irregular stock material recycling plant, as if the stars. Leather surface plump, bright, soft leather board, fine grain, strong, resilient. Buffalo: yellow leather pores than the thick, rare, leather relatively loose, generally used soles. Stock material recycling where affordable, global recycling (certification), provided by the Global Inventory material recycling renewable resource recycling companies. Global renewable resource recycling companies (www.rh0769.com) quality services and products, and are subject to approval and trust of new and old customers and the industry. Our company is a certified member of the whole network Commercial Union, Commercial Union Support icon on the page, you can talk directly to our customer service staff, to our future cooperation happy!