CREC/Chengdu Kingbri Freq. Tech is the largest crystals manufacture in South West China. A manufacturer of quartz crystals for close to 24 years, CREC has served a world-wide market in the telecommunications, frequency control, telemetry, medical, instrumentation, avionics, and communications industries from its headquarters located in Chengdu China with massive capacity as a key to keep competitive pricing and fast lead time. Whether the requirements are for a crystal blank, a sensor crystal, a sealed unit, or a hybrid clock oscillator, CREC can support your needs. Review the various packages offered for Xtal,OCO,OCO,OCXO, TCXO, VCXO, filter, and clock crystals