... 3.the product forced-air cooling Single Wall Corrugated Pipe Production Line Charcateristics and features 1.Mainly take the PVC,PE as ... ,drainage and so on. 4.The single wall corrugated pipe production line uses the gear drive module, the template string water cooling ... upscale passenger vehicle's group of lines,construction threading ,air hose. This machine mainly take PVC,PP,PE as the material ...