本公司專注於5G無線寬頻積體電路(MMIC)、天線射頻前端模組(RF Frontend Module)、高階化合物半導體(Compound Semiconductors)功率元件設計。我們重視每一位員工，除了有良好工作環境、也提供學習及成長的空間，歡迎優秀的朋友一

Lumentum (NASDAQ: LITE) is a market-leading manufacturer of innovative optical and photonic products enabling optical networking and commercial laser customers worldwide. We are headquartered in Milpitas, California with R&D, manufacturing, and sales offices worldwide. Virtually every communications network in the world - telecom, enterprise, and data center - depends on our optical components and modules. Lumentum’s commercial lasers enable advanced manufacturing techniques and diverse applications including next-generation 3D sensing capabilities. Advanced lasers - specifically, diode lasers with 3D-sensing

Efficient International Technology Co., Ltd. is a professional semiconductor device and solution supplier and consultant team. We promote, market, and distribute high quality, high efficiency power semiconductor to serve Taiwan and international customers. We provide services to the customers in the market of general power conversion, motor control, lighting, industrial, renewable energy, and other energy efficient required power applications. Efficient also provide consultant service for the emergent semiconductor companies to develop their business in the global markets. We aim to

Actualize LED Potential 實現LED的無限可能 1996年，多位富有遠見的人才共同創立了晶元光電（EPISTAR），並昭告LED時代的來臨；2021年1月，更成為富采控股的重要子公司之一，匯聚集團資源，致力於成為最佳化合物半導體投