Our company,AHCOF International Development Co., LTD.,was established in 1975. So far,it has developed into a comprehensive one with import and export rights approved by the government.As one of the main business departments of the company,the packing department mainly deals in the export of paper and paper board made in China,including duplex board with grey back(gradeA/B,for printing&packing),PE coated/uncoated paper board(for making paper cup&bowl).The specification as follows: DUPLEX BOARD WITH GREY BACK GRADE A 250GSM-450GSM IN SHEET/ROLL DUPLEX BOARD WITH GREY BACK GRADE B 250GSM-450GSM IN SHEET/ROLL PE COATED PAPER BOARD GRADE A 170GSM-350GSM IN SHEET/ROLL  We can sent you some sample if you are interested in.  We are looking forward to your favorable reply! Yours truly Tangliang(Mr)  AHCOF INTERNATIONAL DEVELOPMENT CO.,LTD Packing Department