On June 11, Jilin Petrochemical newly installed a 320,000 tonne/year styrene plant exhaust screw compressor was installed and passed the quality inspection of German engineering and technical personnel. After the Jilin Petrochemical 10 million tonne/year oil refinery project was put into operation, a styrene project was set up to balance the balance between refining and chemical production. Dredger and Shipping Building Parts Dredge Spud,Sand Dredge,Suction Pipe Unisite Marine Engineering Inc. , http://www.nbmarineplatform.com