We have A4 paper 80 gsm and 70 gsm also we have A3 paper A4 paper in roll.
You can request for the specification of all the below paper.
brightness 100% which is good for all office use.

Brands:
Double A4 copier paper
Paperone copier paper
Golden Star copier paper
Laser / Copier Paper
Multipurpose copy paper
HP Multipurpose copy paper
Golden Star copier paper
Xeron multipurpose copy paper
Mondi Rotritrim copy Paper
IK Plus A4 Paper
IK Yellow A4 Paper

Specifications:
Sheet Size:210mm x 297mm, International Size A4
Quality: Imported 100% Virgin Wood Pulp
Whiteness = 102-104%,Natural White
Capability: High Speed Copying100ppm, Laser
Capable,Inkjet Capable, Fax Capable.

Mode of payment:LC/TT

Delivery Time: Asia 14 working days,Europe 21 working days, America 24 working days and Africa 21 working days.


And in one 20FCL they will be packed.

500 Sheets per Ream
5 Reams per Box
1560 Boxes per container(With Pallet)
1600 Boxes Per container( Without Pallet)