Cow leather is not necessarily head layer cowhide, may two layer leather, recycled leather, even imitation cowhide artificial leather.

Cow leather according to the level can be divided into head layer leather and two layer leather, head layer cowhide is a kind of cow leather, genuine leather refers to natural leather, processed from animal skin. Fake leather refers to synthetic leather or other seemingly genuine leather, in fact, by chemical raw materials synthetic products.

According to the current standard QB/T2262-1996 "leather industry terminology" in the definition of skin, leather, "skin" refers to the animal from the body, untanned skin, also known as rawhide; "leather" refers to the use of rawhide after tanning, Antiseptic and other processing to become leather products can be made of materials.

To make finished leather need to go through dozens of processes: rawhide ---- soaking ---- removing meat ---- degreasing ---- dehairing ---- soaking alkali ---- swelling ---- de-ashing ---- softening ---- soaking acid ---- tanning ---- dissecting ---- peeling ---- re-tanning ---- neutralizing ---- dyeing ---- refueling ----- filling - --- Drying ---- Finishing ---- Coating ---- Finished leather.