We are manufacturer of abrasive products in China and invested by Japan RIKEN CORUNDUM Co., Ltd, who is the leader of coated abrasives industries in Japan. Our RIKEN Earth brand products include superior waterproof abrasive paper and dry abrasive paper. All our base materials are selected from strictly and carefully testing. Our coated abrasives are made of Japan standard abrasives, high intensity bond coated on superior kraft and latex paper which are imported from Europe. Adopting Japan advanced technology and modern system of quality control, so our products can grind the workpiece with high productivity and excellent smooth. And also has efficiency and long life. Dry paper of RIKEN EARTH brand is made of abrasive material and special bond coated on flexible latex paper, so it can prevent from clogging and static absorption in the process of grinding and keep the paper in good condition of grinding. Meantime the grinding life is 4 or 5 times than the common products.