Shan Chieh Chien

United Semiconductor (Xiamen) Co., Ltd. engages in the manufacture of integrated circuits. It fabricates wafer products through the use of nanometer technology, extra high voltage embedded and embedded non-volatile memory solutions, and auto integrated design solutions. The company was founded on October 1, 2014 and is headquartered in Xiamen, China.

Part of United Microelectronics Corp., Wavetek Microelectronics Corp. provides III-V foundry services for optoelectronics and RF MMICs. The company is based in Hsinchu, Taiwan. Wavetek offers a range of technologies including PHEMT, BiHEMT, VCSEL, SAW filter, and high voltage CMOS devices. The Taiwanese company's technologies address applications in consumer photonics, optical communication, data center, automotive electronics, and cellular mobile from 2G to 5G.

EPISTAR Corp. engages in the research, development, manufacture and distribution of light emitting diode (LED) wafers and chips. Its products include light-emitting diode (LED) lighting, LED backlighting, LED display, aluminum gallium indium phosphide (AlGaInP), indium gallium nitride (InGaN) and high voltage series. The company was founded on September 19, 1996 and is headquartered in Hsinchu, Taiwan.

UMC New Business Investment Corp. engages in the research and evaluation of investment opportunities in the industries of solar energy and light-emitting diode (LED) for its parent company United Microelectronics Corporation. The Company was founded on August 28, 2009 and is headquartered in Taipei, Taiwan.