Ton Dong A Corporation is a Vietnam-based steel manufacturing company primarily engaged in the production, processing, and distribution of coated steel sheet products for civil construction, industrial infrastructure, automotive, and consumer appliance sectors. The company provides a comprehensive portfolio of steel solutions, comprising cold-rolled steel coils; hot-dip galvanized steel sheets; 55% aluminum-zinc alloy-coated galvalume steel; pre-painted galvanized and galvalume color-coated steel; high-precision coated steel engineered specifically for household appliances; and welded steel pipes alongside custom slitting and cutting services. Its commercial offerings are structured across specialized brand tiers, including the premium KING series (KINGCOLOR and KINGALUZIN) for heavy industrial and harsh marine environments; the WIN series (WINCOLOR and WINALUZIN) for standard commercial and architectural projects; and the SVIET series (SVIETCOLOR and SVIETALUZIN) tailored for general civil and residential construction. Ton Dong A distributes products across a nationwide network in Vietnam and exports to international markets including the United States, Australia, Japan, the Middle East, Africa, and ASEAN economies. Founded in 1998 as Dong A Co., Ltd., the company is headquartered in Di An City, Binh Duong Province, Vietnam, and maintains core production complexes in Song Than Industrial Park and Dong An 2 Industrial Park. In recent operational and corporate developments, Ton Dong A commenced public trading on the UPCoM exchange under the ticker symbol GDA and initiated preparations for a mainboard listing on the Ho Chi Minh Stock Exchange. The company also established its subsidiary Dong A - Phu My Company Limited and broke ground on its Factory No. 4 project at the Phu My 3 Specialized Industrial Park, representing a VND 7 trillion investment with a projected total annual capacity of 1.2 million metric tons aimed at expanding output into high-end appliance and specialty engineering steels, while securing ISO 14067 carbon footprint certifications to support low-emission green steel production standards.