Nasu Denki-Tekko. 

Nasu Denki-Tekko Co., Ltd. manufactures and sells steel tower, steel structure, overhead wire material, transportation system materials, and underground wire materials in Japan. It offers transmission, telecommunication, and lighting towers; and overhead wire materials, such as insulators, resin covers, wire rods, and antenna support for information communication. The company also constructs communication towers, underground facilities, and road facilities, as well as engages in deterioration diagnosis and recycling of galvanized products. In addition, it provides surface treatment, such as hot-dip galvanized aluminum alloy plating, zinc phosphate treatment, and various coatings; steel pipe and composite column; and hydrogen storage alloy systems. The company serves electric power and power related, telecommunications and related companies; ministry of land, infrastructure, and transport and tourism; the ministry of internal affairs and communications; ministry of defense; other government agencies; and highway, construction, and railroad companies. Nasu Denki-Tekko Co., Ltd. was founded in 1929 and is headquartered in Tokyo, Japan.