YIWU, April 14 (Xinhua) -- Ricardo Cardozo has been doing export business with Brazil in Yiwu City, China's small-commodity hub, over the past 15 years.

　　As a Brazilian businessman, he has witnessed a booming trade between the two countries. The categories of goods he exported to Brazil have been more diverse, ranging from daily necessities to pet supplies.

　　Besides, the export volume has increased a lot. In the first quarter of this year, his export volume has doubled compared to the same period last year.

　　As Brazilian President Luiz Inacio Lula da Silva is paying a state visit to China from April 12 to 15, Ricardo Cardozo is full of expectations for cooperation between the two countries.

　　Produced by Xinhua Global Service