SHIJIAZHUANG LANWOO TOOL MANUFACTURING CO., LTD is a professional factory for diamond tool products. We are specializing on the production of diamond core drill bits, diamond core barrels and segments, saw blades, etc.We have advanced production and testing equipments, professional technicians with more experience on the diamond tool research and manufacturing, which enable us to meet your strict quality requirement. Our excellent sales team personnels have long time international business experience. We are ready to offer you best service on quality control, delivery time, payment terms and after-sales tracking. (More...)