A4 copy paper

Item a4 paper material 100% wood pulp size a4, a3, letter size(8.5x11),legal size(8.5x14) base weight 80gsm, 75gsm, 70gsm whiteness 92-96%, 98-100%, 102-104% packing 500 sheets per ream, 5 reams per carton(box) load qty(20ft) gsm a4 a3 letter size legal size 80gsm 7800 reams 3900 reams 8000 reams 6300 reams 75gsm 8000 reams 4000 reams 8400 reams 6500 reams 70gsm 8200 reams 4100 reams 8800 reams 6700 reams.