Cherngji is a Taiwan professional manufacture and exporter of all kinds of roll forming machines, such as roofing sheet, corrugation sheet, C&Z purlin, T-Bar, door frame, etc. Cherngji is set up in 1978 and have been engaged ourselves in designing simple to high-complicated roll forming machine to meet customer's requirement. With continuous research for the past 20 years, we already expanded our business to worldwide market.