China's first domestically produced bullet train with the maxium speed of 350km/h has ? of the production line. The train produced in northern city of Tangshan is the latest model in the national railway high speed series. It is equipped with highly power system,the currently fastest train in China, is also energy efficient. Sun Bangchen is the chief engineer:When the train is running ,it can transfer ? energy into electricity so that it can ensure its electricity supply even whet it is cut off from the power ?. The 8-carriage train with the streamline body made of light ??? can carry nealy 560 passengers. 3 such trains will begin service on the low 120km Beijing-Tianjing road before the Olympics starts in August. They will cut travel time from 80mins that present to 30mins. At all 57such trains are respected to be in commercial operation by the end of 2009. China unveil the first domestic 300km/h train last December becoming the 4th country to produce such trains after France, Germany and Japan.