Qingdao Zhongbang Packaging Co., Ltd is a professional manufacturer, which is specializing in development and production of plastic film and bags. Our products include: Stand up bag, zip lock bag, 3 sides sealed bag, quad-seal bag, side-gusset bags, spout pouch and, packing film and other laminated bags ect. All of our products are strictly compliant to ISO9001: 2008 and ISO22000: 2005. Meanwhile, our managing team has over 10 years experience in plastic manufacturing. This experience enables our factory to provide consistent quality products in a cost effective manner.