... powdered/granular goods, construction materials etc. We are famous bag supplier in China. We are plastic manufactures, according to ... we can produce polypropylene bags as follow: StyleValve bag, Gusset bag, BOPP bagSizefrom 30cm to 150cm width, as per ... yellow or customer's needTopheat cut, cool cut, hemmed, valve, drawstring, tied ropeBottomsingle folded or double foldedSewingsingle stitched or ...