The first four 8000m3 carbon sphere

In 1998 China oil Dalian Petrochemical Co manufacturing 8000m3 four carbon spheres, diameter of 24800m, the product was home to design, manufacture and installation of the largest carbon four tank, the tank was first introduced in Japan NK-HIHTEN610U2 high strength steel plate, and won the Liaoning Province third outstanding new product award.
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