... Sheets and rolls ISO9001;ISO14001 ISO 1400 Packaging & DeliveryPackaging Detail:paper in sheets:500 sheets in one ream,20-22 reams ... prinitng,notebook-making,envelope,CDpaperpocket,catalogue-making,base paper for PE, etc. And high weight paper can be used in hand bag-making ... , picture paper, card paper, etc.we have sheets (500sheets in one ...