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What are the materials that were added to PVC and Pigments and their percentages
What are the differences between the dry and wet process to make synthetic leather
Wet process go through water
湿法在前，干法在后，干法贴面
What are the materials that were added to PVC and Pigments and their percentages
What are the differences between the dry and wet process to make synthetic leather
Wet process go through water
湿法在前，干法在后，干法贴面