About Suzhou Hao Key Tools Manufactory Suzhou Hao Key Tools Manufactory is a precision honing company equipped with advanced manufacturing facilities. We specialize in the R&D, manufacture, sales and service of super-abrasive honing stones. Our factory is run in accordance with ISO 9001:2008 standards and features over 30 sets of cutting-edge production machinery. A Wide Variety of Options We are able to adapt our honing tools to whatever size, material, shape and precision level requirements you provide. Our honing stones can be made to handle rough, semi-precision, precision and high-precision tasks; and our efficient manufacturing process keeps costs down for clients. Exporting All over the World Our honing tools have been favorably received by clients in the automotive, aerospace, sewing, hydraulics, compressor and bearing industries. Join our customers in North America, Japan, Europe, India and Southeast Asia by contacting us today.