1.1. Construction1.1.1 Up-Coiling Support Platform1.1.2 Material Feed Trolley and Hydraulic Support Lifting Unit1.1.3Transmission Device and Hauling Chain1.1.4 Light Rail1.2 Function Up-Coiling Support Platform is for storing steel coil and facillitate Material Feed Trolley for delivering material. ,,.Material Feed Trolley is used for carry steel coil.. It is operated with hydraulic system to push cylinder for reciprocating linear movement and gear box to deliver steel coil in parallel to the center of uncoiling unit so as to assure the fixing. ,,,.