希华晶体科技成立于1988年，专精于石英频率控制元件之研发、设计、生产与销售。从人工晶棒长成到最终产品，透过最佳团队组合及先进之生产技术，建立完整产品线，包含人工水晶、石英晶片、SAW WAFER，以及石英晶体、晶体振荡器、晶体滤波器、温度补偿型及电压控制型产品等晶振，以健全的供应链系统，为客户提供全方位的服务。
产品应用范围包含行动电话、平板电脑、卫星通讯、车载系统、全球定位系统、个人电脑、无线通信及家用产品等，扮演基本信号源产生、传递、滤波等功能。持续致力于技术研究开发及品质落实扎根，营运据点遍布台湾、中国大陆、日本、新加坡、美国及欧洲等世界各地，使希华晶振得以提供服务予世界电子大厂。
敏锐地掌握电子产品轻薄短小化、快速光电宽频传输与高频通讯的发展主流，致力于开发小型化、高频与光电领域等产品，与日本同业并驾齐驱。且深耕微机电 (MEMS) 技术领域，加速导入TF SMD Crystal的量产，借以扩大公司营收规模并且提升获利空间。
藉由台湾、日本、大陆三地的产品设计开发与制程资源整合，不断开发创新及制程改造，以全系列完整产品线，来满足客户对石英元件多样化的需求。积极地透过产学合作与配合国外技术引进开发新产品，并投资海外同业大厂，发展国防卫星等高阶产品，多角化经营、扩大市场领域，此亦为公司得以永续经营的方针。

In response to the rapid-growing demand for global telecommunications, Siward was established in 1988. We are world leading manufacturer in crystals and oscillators industry, providing products range from synthetic quartz to in-house design and manufacture crystal units. Focusing on cutting-edge technology development and professional R&D teams are our strength. We are able to supply a broad product portfolio, including X'tal, OSC, TCXO, VCXO and VCTCXO to meet customers demand from different industries and applications.技术支持

Our products are widely for applications in networking communication, mobile, PC/NB, consumers, IoT, wearable, GPS, industrial and automotive. We serve customers throughout our sales offices, R&D centers, and manufacturing facilities spread over Taiwan, Mainland China, Japan, Malaysia, the United States, and Europe. We has consistently experienced strong growth by building solid partnership with our customers since we are not only deliver the best quality of crystal products, but also support our customer to be a leading company in the industry.

Siward is able to grasp the development mainstream of the electronic products keenly and dedicated to developing the miniaturized, high-frequency and optoelectronic products to keep pace with the Japanese competitors. To utilize the MEMS technology on TF SMD Crystal manufacture process, and so as to expand the market scale and raise the profitability.

By means of advanced technology, Siward is devoted to providing its customers with innovative, high value-added product portfolios. Its full series of production lines are flexibly employed to develop all kinds of crystal component applications, ensuring the company to stay one step ahead with business opportunities secured and synergies achieved.