Zhengyang street, ziyang district, ziyang city, shandong province, with a registered address of 500 metres south of zhengyang village (north side of the village at the north end of the road) and with the registration authority of ziyang district market supervisory authority, with legal representatives, yang degang, operating in the area of construction, sale and sale of lift operating platforms, boarding bridges and their accessories; assembly, sale, maintenance of electrical switch control equipment (non-containing switch and relay); electric flats, lifters, storage equipment for solid structures, garages, general-purpose equipment, mechanical equipment, spare parts, hardware and equipment, sale of hardware and equipment; construction of transport installations, urban and road lighting works; transport signs, automation monitoring equipment, traffic safety facilities, construction, sale, installation of lift-and-down poles, lifting barriers; road-painting marking services; construc...