December 10, 2003,Mr. Liu Yingli, the vice-mayor of Shenzhen met Mr. Mihaly Bayer, the ambassador of Embassy of the Republic of Hungary in the function room of the municipal government. Shenzhen is trying out the Allison transmission case, which Hungarian General Motors Corporation produced in order to improve automobile tail gas emission, Mr. Mihaly Bayer introduced.

It is reported the technological content of this transmission case that Hungarian General Motors Corporation produces is relatively high, which can help to improve the operation quality of the bus, for the moment, it has already been tried out on 300 buses of Shenzhen to measure its result of improving the tail gas emission of bus, If the result is good it is very hopeful to be adopted extensively on the bus of the whole city.