Shanghai tongleng co., LTD., Shanghai tongcold extrusion machine co., LTD. And Shanghai tongcold packaging materials co., LTD. Shanghai tong cold extrusion machine co., LTD., is committed to professional manufacturing all kinds of single screw and twin screw extruder, as well as the production with new technology leading market traction on rotating PVC thermal shrinkage after printing film machine, complete specifications, configuration is excellent, advanced technology. The company has nearly 20 years of manufacturing experience, the unit products passed iso9001-2000 quality system certification. Our products have been sold to more than 20 provinces, cities, autonomous regions and the United States, Japan, South Africa, Vietnam, etc. Shanghai tong cold packing material co., LTD. Is a new type of modernization of PVC heat shrinkable film packaging material manufacturing company, since the company since its establishment, the company produced a new generation of PVC heat shrinkable film sell like hot cakes at home and abroad, continuously improve efficiency, for the general customers to reduce costs. January 2012, Shanghai cold packaging materials co., LTD., after moved into the new plant put into production, the company owns a modern office building and workshop covers an area of more than 10180 square meters, the current can drop 36 production line running at the same time quality first-class PVC heat shrinkable film (at the widest of up to 1200 mm), production workshop are using clean mode, with large-scale production capacity. In addition, in order to guarantee the quality of PVC heat shrinkable film strict requirements, unified use come from the Shanghai tong after cold extrusion machine co., LTD. The latest research and development of traction on the rotating heat shrinkable film line, through the film blowing machine is the production of PVC heat shrinkable film will reach no bar, no looseness, perfect degree of contraction, smoothness and other advantages, greatly improving the product quality of PVC heat shrinkable film, get the customer consistent high praise at home and abroad. Company will take the new type of rotary sets, a new type of blown film technology, the new type of wide printed PVC thermal shrinkage film, for clients to build high-quality PVC heat shrinkable film at the same time, the company will continue adhering to the sincere cooperation spirit, in the spirit of the advanced management concept, and constantly research and development, the rigorous work style, enthusiasm for the world customers from all walks of life to provide quality services.