Operational for more than 40 years, Greenray Industries is a manufacturer of precision crystal oscillators, including OCXO, TCXO and VCXO products. The company manufactures a range of hybrid and custom products. It deals with electrical and environmental test capabilities. The company offers temperature testing, acceleration and mechanical shocking options. It provides a variety of design and assembly solutions. The company offers products under various brands, such as T121 TCXO, T1220 TCXO, T1300 TCXO and ZT5060 TCXO. Its YH1518 Series OCXO is manufactured by combining precision crystal technologies with low-noise oscillators and multipliers. The company serves customers in the instrumentation, military and communications sectors. Greenray Industries has received ISO 9001:2000 certification.