Tier co-extruded heat shrinkable packaging film is linear low density polyethylene and copolymer polypropylene as the main raw material, add the necessary aid pof environmentally friendly plastic bags, processed by extrusion blow molding process made, its technology and traditional blow different plastic process, since PP melt tension poor performance status, and therefore can not use the traditional blow molding process, while the use of double bubble technology thick green plastic bags, also known as Prandi technology internationally, it is the raw material through different extruder melt extrusion through a specially designed co-extrusion die to form the beginning of the film after quenching, and then heated to obtain a secondary stretch blow products. Yiwu Chi Feng plastic bag factory located in Yiwu City, Zhejiang Province. Companies adhering to the "customer first, forge ahead" business philosophy, adhere to the "integrity management, customer first" principle to provide our clients with quality services. Bags wholesale choice where to find a plastic bag factory Yiwu Feng Chi, Chi Feng Yiwu Commodity ocean plastic factory in Yiwu City, Zhejiang, has been engaged in packaging sales business opp environmentally friendly plastic bags, in the same industry has made remarkable achievements, to give the various Partners of praise and market recognition. Yiwu Chi Feng plastic bag factory hope that all sectors to join hands for common development! We sincerely welcome all friends to come to counseling, to discuss cooperation! Environmentally friendly plastic bags wholesale, Chi Feng plastic (certified), Anhui environmentally friendly plastic bags provided by Yiwu Chi Feng plastic factory. Yiwu Chi Feng plastic factory (www.ywzhifeng.com) Zhejiang Jinhua, plastic bags leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Chi Feng plastic bag in leadership with the staff warmly welcome all inquiries negotiations to create the Chi Feng plastic bag a better future.