... etc) Packaging:in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc. Netweight:25,50, ... agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of stapk; Treatment agent of waste ... treatment. Packing: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc. Net weght: 25, ...