Hoang Mai Stone Joint Stock Company engages in the mining, industrial production, and construction businesses in Vietnam. The company constructs railways and road projects, and other civil engineering works; extracts stone, sand, gravel, clay, and kaolin; construction of civil engineering works; installs industrial machinery and equipment; and rents machinery, equipment, and other tangible goods. The company also provides casting of iron and steel products; repair services for machinery and equipment; and architectural and related technical consultancy services. Hoang Mai Stone Joint Stock Company was founded in 1963 and is headquartered in Hoang Mai, Vietnam.