... 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. etcPacking: in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.Net weght: 25, ...