On May 19, journalist learned the news from China Guizhou Inspection and Quarantine Office that after series testment, 2 China buses exported to Pakistan. The export buses produced by China Guizhou Yunma Aeroplan Plant useing natural gas as the main fuel.

According to the introduction to deal with the continued rising oil price, China Guizhou Yunma Aeroplan Plant researched this new style, its engine effective is much higher than the same class but cheaper almost half than the normal one, and has the low emission. Recently, Guizhou Yunma Plant have been signed with Pakistan consumer for 50 units, the Pakistan side declared that if the local operation well they will purchase the annul 100 buses order with three consecutive years from China buses market.