GSM vs AAOI Comparison

Ferroglobe PLC provides silicon-based alloys and specialty metals. It produces silicon metal and silicon and manganese-based alloy, serving customers in the specialty chemical, aluminum, solar, steel, and ductile iron foundry industries. The company's business segments include North America- Silicon, North America -Silicon Alloys; Europe Manganese; Europe Silicon Metals; Europe -Silicon Alloys, South Africa Silicon Metals, South Africa-Silicon Alloys, and Other segments The primary raw materials company uses to produce its electrometallurgy products includes its coal and quartz mining operations and its silicon metal and ferroalloy production.

Applied Optoelectronics Inc is a provider of fiber-optic networking products, for four networking end-markets; internet data center, CATV, telecom, and FTTH. The Company designs and manufactures a wide range of optical communications products at varying levels of integration, from components, subassemblies, and modules to complete turn-key equipment. Through direct sales personnel, and manufacturing teams in the United States, China, and Taiwan, the company coordinates with customers to determine product design, qualifications, and performance. The Company has manufacturing and research and development facilities located in the U.S., Taiwan, and China.