Hangzhou Shalom EO offers Bare, Uncoated Beryllium Oxide Ceramic Substrates of various custom shapes and specifications, special structures such as holes could be obtained using hot-press techniques. Beryllium Oxide, or Beryllia, BeO Ceramics are a kind of high-performance fine ceramic material fabricated using BeO powders as the main composition with unparalleled thermal inductance. Our bare beryllium oxide substrates are excellent preforms of PCBs.