Mai Anh Investment and Trading Joint Stock Company (Mai Anh., JSC) was established in 2004. Headquartered in Hanoi, Mai Anh has become a reputable contractor specializing in mechanical and electrical (M&E) systems. Their key business areas include supplying and installing air conditioning, ventilation, fire protection, electrical, and plumbing systems. They also provide elevators, related equipment and accessories, lifting devices, refrigeration equipment, and automation systems. Additionally, Mai Anh manufactures, sells, and installs generators, and offers repair, maintenance, and warranty services for equipment and machinery.