Keywords：Guangdong Zhongyi Heavy Industry Co. Ltd. - pole | crane | | galvanized steel structure | communication tower, environmental art in hot dip galvanizing, steel plant, Zhongyi hot-dip galvanizing plant, machinery and equipment factory in the arts, arts in steel structure factory, port machinery production base, hot galvanized, electric pole, communication pole, lifting machine. Gantry crane, gantry plane, thick wall steel pipe, large diameter steel pipe