SHANDONG BOSS ABRASIVES MANUFACTURING CO.,LTD is one of the specialized manufacturer of coated abrasives since 1956. As vice chairman  company of China Coated Abrasive Association,  the products with the brands of BOSS, 工  are well-known for the excellent quality in both China and abroad. In addition to domestic sales, the products are exported to Europe, America, Africa, Middle East and Southeast Asia and gained high fa