PKX vs AAOI Comparison

POSCO Holdings Inc is a holding company operating through its subsidiaries. Its business is divided into segments, with the Steel segment generating the majority of revenue from the manufacture and sale of steel products. The Infrastructure segment includes trading, construction, and logistics and system integration activities. The Rechargeable Battery Materials segment focuses on EV battery materials such as lithium, nickel, and cathode and anode materials. The Others segment includes the controlling company and investment business. Geographically, the Group generates majority of its revenue from Asia (excluding China and Japan).

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 meet 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.