On 30 June, Chongqing Hengtong Olympics use vehicles were successfully offline, and meanwhile, delivery ceremony was grandly held in new-founded Konggang Industrial Park of Hengtong. Secretary-general of Chongqing Municipal Government, Liang Peijun, and some related leaders of Hengtong presented the ceremomy.

It was said that this batch of vehicles were CKZ6127HN3 pure natural gas public transport, totally 20 units, which accord with national III emission standard, and show Hengtong's comprehensive strength in green, energy saving, safety, comfort and some other aspects of performance.

Driver Zheng Yongzhong said,"It is a big honor for us to serve Beijing Olympic Games, also is a glory to all Chongqing's bus manufacturers, we will offer people of China and the world the best service."

All 20 vehicles will drive to Beijing on 1 July, which is the birthday of Communist Party of China.