CHINA HARZONE INDUSTRY CORP.,LTD built in 1967, is the subsidiary of China Shipbuilding Industry Corporation (CSIC) and one military enterprise whose conservation was given priority status in China.
 
Harzone Industry has the qualification of design, manufacturing and installing various steel products: emergency mechanized bridges; temporary and permanent steel bridges such as Pontoon Bridge, Bailey Bridge, Truss Bridge, Suspension Bridge, Girder Bridge and Cable Stayed Bridge; steel structures for industrial workshops, commercial buildings and habitation buildings; special equipment such as power transmission tower, television tower, radio tower, microwave tower, communication tower, and railway steel pole.