Yuk Wing Group Holdings Limited, an investment holding company, manufactures and trades in down-the-hole (DTH) rock drilling tools in Hong Kong, Scandinavia, Macau, the People's Republic of China, Germany, and internationally. The company operates through Manufacturing and Trading of DTH Rockdrilling Tools; and Trading of Piling and Drilling Machineries and Rockdrilling Equipment segments. It offers DTH hammers, casing syst