Topco Scientific Co., Ltd. provides precision materials, processing equipment, and components for semiconductor and opto-electronic industries in Taiwan, China, and internationally. It also offers semiconductor related products, such as wafer and wafer processing materials; wafer carriers; thin films; photolithography materials; etching and furnace products, including quartz glass products, chemical, and special gases; CMP slurry products; package and testing related materials and equipment; and semiconductor equipment. In addition, the company offers LCD related equipment and materials; LED related photoelectric related products; solar materials comprising conductive paste for solar cells, quartz crucibles, SiC powder, coolants, diamond wires, chemicals, and special gases; and electronic materials. Further, it undertakes water treatment, clean room and electromechanical, and public construction projects; and solar power plant projects, as well as provides IC foundry services. The company was founded in 1990 and is headquartered in Taipei, Taiwan.