Vinacomin - Machinery Joint Stock Company (VMC) which is mainly engaged in the manufacture, reparation and commerce of mining machinery and equipment. The Company's leading products include hydraulic pillars and grabs, mining excavators and bogies, among others. Other regular business activities of the Company include the production of industrial gases, such as nitrogen and oxygen; the merchant wholesale of construction and transportation machinery and supplies, as well as the mining of coal and copper ores. Besides, the Company operates as a metal service center.