... rule and customer's request, we divide the packing into the following kinds:1). 25kg Kraft ... 80kgs, 200kgs, 500kgs, 1000kgs containning bags. The products are exported to America, Japan, Europe, Korea and ... resinic producing, and it is also used in organic synthesization of sensitizing material, and medicine, ... to moisture-proof, rainproof! The most attractive manufacturer of Thiourea dioxide