writing paper

We are a professional manufacturer of multi-purpose copy paper.
Our company also offer O.E.M (Original Equipment Manufacturer) market place for Buyer .(Import )
They are two qualities :
1. Mixed wood pulp( featuring ordinary quality ,and ordinary brightness )
2. 100% wood pulp ( featuring super quality ,and super  brightness)
And as for the super quality , they are two quality which depend on the brightness ,
1. 98%-102% brightness ( super quality ,and super  brightness),
2.106%-108% brightness ( high super quality ,and high super brightness),
The Spec.belowing : 
1. GSM :70 \75 \80 GSM in weight
2. Size : 8.5*11 (216mm*279mm),A4(210mm*297mm) ,8.5*13(216mm*330mm).
 Specifications:
Super premium multi-purpose A4 papers no recycling.
 Basic weight: 70 ,75,80g/m2,
 Moisture 3.5%-4.5%,
 Whiteness: >98%
 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
 Opacity: >94%     
 Brightness: 101-104%
 CIE whiteness: 148-152
 Cobb Test: 27-33 g/m2  27-33