We customize and supply mostly A4, A3, 8.5''x11'', 8.5''x13'', 8.5''x14'' copier papers in 80gsm,75gsm.70gsm and our product brightness starts from 90% to 104%. Our Specifications for the Grade AA is as below: TECHNICAL SPECIFICATION : Substance: 70g and 80g / m2 Sheet Size: 210mm x 297mm, International Size A4 Quality: Imported 100% Virgin Wood Pulp Brightness: 102%-104%(class A) Capability: High Speed Copying 100ppm, Laser Capable, Inkjet Capable, Fax Capable. Thickness: 103-110 um Surface roughness TS ml/min: 75-175 Surface roughness BS ml/min: 100-200 Bending stiffness MD: >110 Mn Bending stiffness CD: >50 Mn CIE whiteness: 167 Cobb Test: 27-33 g/m2 27-33