Zhejiang Proportional Polymerization Technology Co., Ltd. is located in the scenic national economic development zone of Zhejiang Province, China. It is a joint-stock enterprise specializing in the production of series products such as stretch hood film, heat shrink film, and liquid packaging film for pallets. With an annual output of over 20000 tons, it is one of the largest manufacturers of new plastic packaging film materials in China. The production of cold drawn casing film exceeds 10000 tons. Long term cooperative clients include BASF, Cosvestro, Wacker Chemical, RHI, Borouge, Wanhua, Sinopec, PetroChina, etc.