For the annular abrasive belts , synthestic resins are applied as adhesives to have abrasives grains specially procially set onto the high strength cloth. They are of grinding and polishing instruments of high efficiency, and characterized by sharp sands, extended usefull life and signi-ficant cost saving , etc.for the excellent strength and toughness, they are applied in belt form to the continuous grinder for polishing various mechanical parts, and in particular, used for grinding and polishing works on complicated surfaces of non-metal materials such as wood, leather, rubber, decorative plate and marble,etc