Dajin is a steel contractor specialised in manufacturing of large complex steel structure for energy industry many years in china. we are well known for wind turbine towers , structure of boiling of power station ,The factory is Total area:280000 sq.m,Indoor:48000sq.m.capacity:400towes.Stockyard:150000sq.m.Now we are building the new factory nearby the Bohai sea and will owned the 10 meter deepwater port of ourself that production for offshore windenergy.