Metallized Ceramics, Ceramic Substrates, Pepper Mill Mechanism manufacturer / supplier in China, offering Laser Scribed 0.25mm 0.30mm Thick Aluminum Oxide Substrate Alumina Ceramic Al2O3 Plate, High Electrical Insulation 96% 99.6% Al2O3 Substrate Alumina Ceramic Aluminum Oxide Sheet, Metallized Al2O3 Aluminum Oxide Substrate PCB Alumina Ceramic Sheet for Antenna Components and so on.