Longda Tools-Diamond Tools For The Construction Industry! With The Customer, For The Customer ! LONGDA TOOLS was founded in 2002. Based on nearly 15 years of experience in the developing,manufacturing and distributing diamond tools for the constrution industry. Our innovative diamond tools for the most sawing,grinding, and drilling that meet needs of today's most demanding markets. All of our products have been checked and tested. The provisions of European Standard EN13236 are strictly adhered to. Quality is LONGDA's most important maxim ! Our commitment to research and development is unmatched.We continually test new diamonds and powders to provide products that exceed your expectations. LONGDA TOOLS product portfolio offers a full of line of professional diamond tools including:saw blades,grinding wheels,drill bits,TCT, Polishing Pads, and much more. Welcome to visit our factory and choose the best for you!