Sino-American Silicon Products Inc. researches, develops, designs, manufactures, trades, and sells semiconductor ingots and wafers, varistors, optoelectronics, and communication wafer materials. It provides CZ/FZ/NTD silicon ingots, Epi wafers, polished wafers, antimony-doped wafers, etched wafers, TVS wafers, arsenic-doped wafers, ultra-thin wafers, deep diffusion wafers, solar ingot and wafers, cells, modules, and sapphire wafers. The company also investment activities; and solar power generation business. It operates in Taiwan, Japan, Korea, rest of Asia, the United States, Europe, and internationally. The company was founded in 1981 and is headquartered in Hsinchu, Taiwan.