The registration address of hebei lidong steel structures ltd. Is at no. 1277 of the guanggawa development area of kaegawa county, zhuang shui city, hebei province. The registration authority is the city monitoring authority, which is represented by legal persons for the purpose of paying tribute to the serenity of the metal structure. Production, sale, installation and maintenance of the entire series of communication towers, radio and television towers, microwave towers, observation towers, monitoring towers, stand-alone towers, full series of protection towers, electrical towers, electric steel pole towers, steel pipe support, decoration towers, training towers, goldware, chimney towers, beautification towers, wind towers, integrated assembly base stations; production and sale of highway guard, marking poles, zinc-plated metal components; rental and maintenance of communications base stations; construction of steel structures, foundations and infrastructure works, mine-protected engineering works; lighting works; technical advice, installation services, iron tower maintenance, maintenance and demolition** (project subject to the approval of the relevant departments in accordance with the law)