Visitors look at a car manufactured by China’s BYD at the China Exposition of Equipments and Manufacturers in Rio de Janeiro, Brazil, May 20, 2015. Some 30 Chinese companies in different sectors such as energy, telecommunication, information technology, participated in the exhibition which kicked off here on May 20.[Photo/Xinhua]

Visitors talk in front of the exhibition booth of China’s Inspur at the China Exposition of Equipments and Manufacturers in Rio de Janeiro, Brazil, May 20, 2015. Some 30 Chinese companies in different sectors such as energy, telecommunication, information technology, participated in the exhibition which kicked off here on May 20.[Photo/Xinhua]

A staff member presents a car model of Tiggo 5 of Chery Brazil at the China Exposition of Equipments and Manufacturers in Rio de Janeiro, Brazil, May 20, 2015. Some 30 Chinese companies in different sectors such as energy, telecommunication, information technology, participated in the exhibition which kicked off here on May 20.[Photo/Xinhua]

Representatives talk at the exhibition booth of SANY Brazil at the China Exposition of Equipments and Manufacturers in Rio de Janeiro, Brazil, May 20, 2015. Some 30 Chinese companies in different sectors such as energy, telecommunication, information technology, participated in the exhibition which kicked off here on May 20.[Photo/Xinhua]

A cameramen shoots video footage of the construction machine of XCMG Brazil at the China Exposition of Equipments and Manufacturers in Rio de Janeiro, Brazil, May 20, 2015. Some 30 Chinese companies in different sectors such as energy, telecommunication, information technology, participated in the exhibition which kicked off here on May 20.[Photo/Xinhua]

People talks behind an exhibited model at the China Exposition of Equipments and Manufacturers in Rio de Janeiro, Brazil, May 20, 2015. Some 30 Chinese companies in different sectors such as energy, telecommunication, information technology, participated in the exhibition which kicked off here on May 20.[Photo/Xinhua]