Struction : Corrugated metal hose is an important connection component, it is made by corrugated flexible pipe, net sets and connectors. The bellows waveform has two kinds, one kind is spiral corrugated pipe, another kind is annular bellows. Annular bellows tube or welded pipe by seamless, usually rolling shorter length. An annular corrugated pipe assembly metal hose is generally in a relatively short period of lines or equipment to choose.