Taiwan professional designer and manufacturer of metal sheet roll forming machine, application for partition, ceiling, roofing, metal tiles, c and z channel, shelves and various of steel rollformed shapes.We are a professional manufacture and exporter of all kinds of roll forming machine in Taiwan and is set up in 1978. Cherng Ji is a strong focused company engaged 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.