1, environmental advantages: not only can be reused, but also can use waste paper packaging products to make fertilizer; 2. Technical advantages: Because the puzzle books printing wholesale can be recycled and reused, it is energy saving and environmental protection. The paper material is low in price, light in weight and easy to transport. The puzzle books printing wholesale is easy...

For the puzzle books printing wholesale, I believe everyone is no stranger, but for the printing shrinkage phenomenon may not be known. So what are the reasons for the shrinkage phenomenon in the puzzle books printing wholesale? Shrinkage hole is one of the faults of printing ink film due to poor leveling. After printing ink, wet ink shrinks into a small round bare substrate material or an...