offset printing paper Basis weight of offset paper: 70-180g/m2 Brightness of offset paper:93-95% we passed:ISO9001 ... of productsThe main products are 100% woodfree offset uncoated printing paper with 70 g/m2 80 g/m2 ... g/m2, 180 g/m2.They can be used in prinitng,notebook-making,envelope,CDpaperpocket,catalogue-making ... PE, etc. And high weight paper can be used in hand bag-making, picture paper, card paper ...