... -45Widthmm50-400Heightmm30-600About Qingdao Quantong Plastics Printing Co.,LTDQingdao Quantong Plastics Printing Co.,LTD has three advanced production lines of plastics color printing and laminating, including ... in dairy, beverage, wine, condiment, washing, chemical, medicine, and stationery industry.Second categories, special packing bags, usually called tube bag, used ...