The rapid development of biaxial stretching technology has brought revolutionary changes to the flexible packaging market. There are three main development directions for global biaxial stretching technology. First, ordinary packaging products will place greater emphasis on low cost and high efficie

A casting machine, also known as an extender, is a mechanical device used to form a highly uniform film, sheet, or foil-like material on a metal surface. It usually consists of a rolling mechanism, a stretching mechanism, a coating mechanism, a cutting mechanism and other parts.The principle of the