A high-tech enterprises focus on high temperature oven for synchronous stretching, transverse stretching of polymer film, film orthopaedic equipment and complete sets of film pilot production line manufacturing, at the same time for the customer to film innovation test, the development platform . - equipped with a fully functional film pilot production line. - in the field of the second generation of mechanical synchronous stretching equipment has a whole series of invention patent authorization.It can produce tensile films with high strength and high stability. - A high cleanliness stretching oven is developed to ensure that the temperature field of internal circulating air is stable and the internal and external circulating air does not interfere with each other. - invented the orthopedic devices for solving the problem of membrane bow and various kinds of retraction.