C270 So Beautiful

Improve the Turbofan 6? Qin Guan never thought that if he could improve it, he should improve it as well.

With the increase of the nationalization of the Spey, it would reach 100%. Even if he mastered the technology of the second generation turbine fan, And then... Their side had already developed a high starting point for the new Turbofan Engine. They had to invest a huge amount of money