Winking is one of the leading Asian abrasive the world, industrial companies , work-shops and individual users rely on the permanent high product quality.Performance, safety and reliability:these three elements are synonymous with the WINKING brand and are demanded by users from industry and construction. WINKING develops standard products for normal uses , and special products for individual solutions for specific abrasives tasks. Development and manufacturing are port of the integrated quality management system of high-quality raw material are used and all materials are tested by a strict quality control .The single manufacturing steps include a complex and safe quality check .