mingwen a4 paper printing paper full box batch a4 paper 80g70g copy paper 500 sheets a pack of cardboard white paper factory batch

70g flying pie 80g full territory red 70g inclusive 70g office model 70g high-end 75g high quality 80g high quality 70g daily use 70g student eye protection paper (white yellowish) [limited top 100] 70g, 4 packs, 2000 sheets, 4 packs, paper extraction free

500 sheets (a4 210 * 297mm) 2500 sheets (a4 210 * 297mm) 2000 sheets (a4 210 * 297mm)