- Siward Crystal Technology Co., Ltd
Siward Crystal Technology Co., Ltd. manufactures and markets
quartz crystals.Founded in 1988, the Company's main products are crystal units, crystal filters, and crystaloscillators. In 2001, New Headquarters building opened in
Taiwan ,Taichung .External links
* [http://www.siward.com/ Official Siward Crystal Technology Co., Ltd. website]
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