Jui Yuan Mao

Wafer Works (Shanghai) Co., Ltd. operates as a semiconductor company. It engages in the research, development, production, and sales of artificial semiconductor silicon epitaxial wafers which are used in automobiles, communications, power, industry, consumption electronics, high-end equipment, and other fields. The firm also provides other semiconductor silicon materials processing services. The company was founded on December 1, 1994 and is headquartered in Shanghai, China.

Wafer Works Optronics Corp. is principally engaged in the manufacture, research and development of sapphire substrates, which is used in the blue/white Light Emitting Diode applications. Its product segment includes the Sapphire Polished Substrate and Pattern Sapphire Substrate. The company was founded on July 4, 2007 and is headquartered in Taoyuan, Taiwan.