In the past year, the plant has provided over 5,000 tons of various marine castings to COSCO Shipyard in Nantong, Nantong Gangzha Shipyard and Zhejiang Wantong Heavy Industry Shipbuilding Company.
     Hui Long Foundry specializes in producing all kinds of alloy castings, impact-resistant castings, stainless steel castings, heat-resistant steels and various grades of cast steel, the largest single-piece castings weighing 1 ton. In recent years, the plant continued to enter the marine casting market in Nantong, Shanghai and other places, the casting of its production has been the French classification society certification. At present, the plant is applying for product certification to China Classification Society.