Siward Crystal Technology Co., Ltd, together with its subsidiaries, provides crystal and oscillator solutions in Taiwan, Mainland China, Hong Kong, Japan, Europe, and internationally. The company's products include quartz crystal passive components, tuning fork crystals, thermistor crystals (built-in thermal-sensitive crystals), and active components crystal oscillators, differential crystal oscillators, voltage-controlled crystal oscillators, and temperature compensation and voltage control temperature compensation crystal oscillators. Its products are used in networking communication, mobile, PC/NB, consumers electronics, IoT, wearable, GPS, 5G telecommunication, and automotive applications. The company was founded in 1988 and is headquartered in Taichung, Taiwan.