1. Germany and Chinese advanced patents and technology. 2. Less resistance 3. Stable running, long life 4. High load capacity The high quality products have occupied the domestic exalted market(such as Rizhao Port in Shandong Province, Ma An Shan Iron &Steel Plant, Chang Shu Power Plant Etc.),And have exported to the Japan, America, Europe and etc.The types of idler:Carrying idler, return idler, ...