In response to the ever-growing demand for global telecommunications, SIWARD was formed in 1988. We are one of the world leading manufacturers in crystals and oscillators industry. Our product range is from synthetic quartz to module. State-of-the-art technology and professional RD teams are our strength. We are able to supply product mix, such as X'tal series、 OSC series、TCXO series、VCXO series and VCTCXO by mass production to provide customers with high efficiency solutions.