Visitors tour the 11th Qingdao International Auto Show at Qingdao International Convention Center in Qingdao, east China's Shandong Province, May 16, 2012. Over 50 new cars will be introduced during the six-day auto show that opened here on Wednesday. (Xinhua/Li Ziheng)

A model presents a car during the 11th Qingdao International Auto Show at Qingdao International Convention Center in Qingdao, east China's Shandong Province, May 16, 2012. Over 50 new cars will be introduced during the six-day auto show that opened here on Wednesday. (Xinhua/Li Ziheng)

Models present an FAW Vita V5 during the 11th Qingdao International Auto Show at Qingdao International Convention Center in Qingdao, east China's Shandong Province, May 16, 2012. Over 50 new cars will be introduced during the six-day auto show that opened here on Wednesday. (Xinhua/Li Ziheng)

Models present a Chevrolet Camaro during the 11th Qingdao International Auto Show at Qingdao International Convention Center in Qingdao, east China's Shandong Province, May 16, 2012. Over 50 new cars will be introduced during the six-day auto show that opened here on Wednesday. (Xinhua/Li Ziheng)

A pair of ballet dancers give performance during the 11th Qingdao International Auto Show at Qingdao International Convention Center in Qingdao, east China's Shandong Province, May 16, 2012. Over 50 new cars will be introduced during the six-day auto show that opened here on Wednesday. (Xinhua/Li Ziheng)

A visitor takes photos of Lamborghini cars during the 11th Qingdao International Auto Show at Qingdao International Convention Center in Qingdao, east China's Shandong Province, May 16, 2012. Over 50 new cars will be introduced during the six-day auto show that opened here on Wednesday. (Xinhua/Li Ziheng)

Visitors tour the 11th Qingdao International Auto Show at Qingdao International Convention Center in Qingdao, east China's Shandong Province, May 16, 2012.

Over 50 new cars will be introduced during the six-day auto show that opened here on Wednesday.