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About Us
  • Diamond Guo

    Diamond Guo

    VP - R&D

    Working in HMR Since 2016

    Focusing on the researching and technology innovating of PDC cutters and other super-hard materials, Diamond and his team has developed premium PDC cutters such as S series, C series, H series, special-shaped PDC cutters, fine-grained PCD and 44mm PDC cutters for cutting tools which help HMR win high reputation for excellent performance, premium quality and high cost-performance in and abroad.