ã€China Trolley Trading Network Trolley box transactions and trade information exchange to provide an excellent platform to improve the level of commodity exchange, standardize the behavior of commodity trading, to achieve ultra-large-scale network operators. 】 A lot of bags of fabric will choose to use leather, leather bags and the most important thing is the quality. To identify the authenticity of leather goods, we must learn the sensory evaluation method, its essence is by hand touch, seeing, bending, stretching and other methods to observe the characteristics of leather goods. Natural leather: squeezed with thumbs will have fine lines, leather leather surface is better, good elasticity; and cortical leather have larger wrinkles; if there is no small lines, it is not natural leather . Goat skin: wavy patterns were arranged, coarse and detailed, stout firmer than sheep, light. Yellow leather: fine texture expected, irregular pores arranged in dots. Pigskin: the surface pattern is usually a group of three pores distribution, the surface is rough, can be soft and hard. Buffalo leather: more yellow leather pores, skin fibers are also slightly thick. Sheep skin: the pattern was arranged in a semilunar shape, softness, fur is dense, thin skin. To know more trolley information, please pay attention to the Chinese trolley transaction network Posted by: zpengdmjy