Qingdao sanko construction tool co., ltd (japanese venture) is a famous abrasive tool manufacturer in china, located in qingdao jiaozhou city .it has significant investments by japan,applying advanced technology,management,and equipment from japan,and produces the highest quality resin wheel films. the main products include cymbal type grinding wheels (grinding wheel films) ,reinforced abrasive cutting wheels (cutting films ) ,ultra-thin abrasive cutting wheels (cutting films ) , saw blade products. and more. 90% of these products are sold back to japan.for the japan market is limited ,we plan to expand the market to all over the world.