The Role of The Discoloration Layer is to Produce A Discoloration Effect
Pull-up leather is also called pull-up leather. After this kind of leather is subjected to external tension (pulling, topping, bending), the color of the leather surface becomes lighter, and the color is restored after the external force is removed. It is called pull-up effect abroad, and it is called discoloration leather in China. Or oil-soaked discolored leather. is a kind of lightly...
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