zhucheng litian machinery co., ltd, as one of the manufacturer and exporter of roll forming machine, established in 2001, we have supplied a variety of cold roll forming equipments with reasonable design and precision process for customers from domestic and abroad market. at present, our main products include colored corrugated steel tile forming machines, glazed steel tile forming machine, joint-hidden roof panel machines, c purlin forming machine, z purlin forming machine, c/z interchangeable purlin forming machine, steel-supporting structure floor plate machines, shutter door machines, and rack machines, slitting machine, bending machine and cutting machine, etc. there are more than 80 kinds of roll forming machines. plc computer hydraulic control system is widely used in the equipment. if you are interested in our machines, please feel free to contact us for more information. we are looking forward to cooperating with you in future.