Leading Manufacturer of Machinery, Diamond Wire, Diamond Tools for Stone and Concrete KEENTOOL is a professional manufacturer which specialized in equipment and diamond tools for cutting, core drilling and polishing of masonary, concrete and all-around applications in the construction and mining industry with 15years experience. We supply our quarry equipment- wire saw machine, drill rigs, tools and consumables; and diamond tools- diamond wire, core drill bits, diamond blade, diamond grinding and polishing tools to global quarry owners, distributors, contractors, craftsman and factories, including USA, UK, Sweden, Germany, France, Russia, Brazil, Chile, Argentina, Southern Africa and Middle East.