About us Hyundai Heavy Industries Co., Ltd. (HHI) is the world's largest shipbuilding company,headquartered in Ulsan, South Korea. It has seven business divisions: Shipbuilding, Offshore & Engineering, Industrial Plant & Engineering, Engine & Machinery, Electro & Electric Systems, Construction Equipment, and Green Energy.Hyundai Heavy Industries established in 1972. Changyi provides HYUNDAI ORIGINAL spare parts in Wheel Excavator,Crawler Excavator.The construction machinery model as following: R55-7S, R60-7, R60-9, R80-7, R80-9, R110-7, R150LC-9,R60W-7, R60W-9,R130LC-5, R150W-7, R150W-9, R210W-7, R210W-9,R200LC-9S, R215-7,R215-7C,R215-9,R215-9C,R220LC-5,R225LC-7, R225LC-9,R225LC-9T,R275LC-9T,R305LC-9T,R335LC-9,R335LC-9T,R385LC-9, R385LC-9T,R485LC-9, R485LC-9T, R455LC-7,R505LC-7,R805LC-7