Telequartz Gmbh, Germany For Quartz Crystals, Oscillators, Filters; Hiltek Materials Ltd, Uk For Microwave Ferrites & Dielectrics; Advanced Refractory Technologies Inc., Ny For Dylyn-Diamond Like Nano-Composite Coating, Non-Oxide Ceramic Powders, High Purity Oxides, Barium Titanate Formulations For Capacitor Industry.Oscillator
