Ship Building and Repairing long-million plant - China

I plant for the construction of transport system in Zhejiang Province of reinforced concrete barges professional manufacturing enterprise, from the beginning till 1969, a total of ferro-cement construction of more than 500 coastal vessels, the length of 24cm, 32cm, 36cm, 40cm, 42cm, 45cm, 50cm, 56.2 cm, 60cm, 65cm, such as steel bridge approach, steel pole 18m, 21m, 25m, 30m, are done, the design