Taiwan Union Technology Corporation engages in the manufacture and sale of copper foil substrates, adhesive sheets, and multi-layer laminated boards in Taiwan and internationally. It also offers copper-clad laminates, prepregs, and printed circuit boards; and provides mass lamination services to the electronics industry. Its products are used in radio frequency, high-speed digital, high-density interconnect, automotive, and substrate applications. The company was formerly known as Taiwan Union Glass Industrial Co., Ltd. Taiwan Union Technology Corporation was founded in 1974 and is headquartered in Zhubei, Taiwan.