... 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 ream) and rolls, the common specification ... up several fields, such as petro, thermoelectricity, tourism, culture and paper-trading, chemicals-trading, steel-trading, etc. It has became ...