Workers install a sign ahead of the Shanghai International Automobile Industry Exhibition on April 18.
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Guests visit the showroom of Zhejiang Geely Holding Group at the Chinese automaker's headquarters in Hangzhou, China. (File photo)
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Workers walk past a poster of a car ahead of the Shanghai Auto show at the Shanghai International Exhibition Center in Shanghai, China.
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Workers hang a large poster of a car on a building near the venue of the Shanghai International Automobile Industry Exhibition in Shanghai, China.
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Workers hang an advertisement for a Lexus brand vehicle near the venue of the Shanghai International Automobile Industry Exhibition.
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General Motors officials pose with their new Buick Riviera Concept 2013 model during the unveiling event ahead of the Shanghai International Automobile Industry Exhibition.