QINGDAO XINSEN mechanical and electrical technology co., ltd is a high-tech enterprise integrated development, designing and manufacturing,  We specialized in developing and manufacturing the production, measuring and testing equipment  for new style belt(poly-v-belt, raw edge v-belts and synchronous belt). We developed a series of new-style belt machines, including six series and more then 30 varieties from Building,?vulcanizing? cutting?grinding to measuring and testing machines.www.qdxinsen.com