Danyang Guanda Tools Co., Ltd is a professional contract manufacturer of cutting tools and drill bits based in Zhenjiang, China. Established as a factory with 11 to 50 employees, the company specializes in a comprehensive range of products including HSS twist drills (DIN338, DIN340, DIN1897, DIN345, ASME B. 94.11M), HSS taper shank drills, masonry drills, SDS hammer drills, woodworking drills, TCT saw blades, diamond saw blades, HSS hole saws, bi-metal hole saws, and HSS taps (DIN352, DIN371, DIN376, ISO529). Danyang Guanda Tools Co., Ltd is ISO 9001 certified and exports its products to international markets including North America, Asia, Europe, the Middle East, and South America.