... products such as expanding file, file folder, file holder, file pocket, file case, file wallet, clip file, display book, ... PVCPVC (polyvinyl chloride) resin chlorinated modified system, is a new type of engineering plastics. This product is tasteless, odourless, ... .Therefore, CPVC is a broad prospect of application of new engineering plastic material.The characteristic of PULigh; strong toughness, ...