Pp container bags is just so-called "ton bag "."bulk bags "we have different shape of bags (including square type and round type ),also we can make top hang ,side hang andbottom hang ,we makedampproofanti-seepage,nolead,anti-ageing,anti-staticelectricity ,non0-contamination,extreme strong fabric ,and high safety factor ,it been widely used in medicine ,food ,chemical ,agriculture ,building material and etc.?