As the school bell rang ,the kids rushed out of the classroom , shouting and crying excitedly . San Long , 10 years old , grade 4 student in Wuai Primary School in Yiwu ,Zhejiang Province ,ran the fastest . San Long came to Yiwu with his mother in 2007 from Kabul ,Afghanistan and began his study in Wuai Primary School in September ,2008 . “ The name San Long was given by my private tutor . Actually , my name is Saeed . ” The little handsome boy introduced in Mandarin , pointing to his brothers Hasse and Harry ,“ We three brothers all like Chinese painting class . I’m good at it . ” Zhang Huaiqing , the teacher of painting class ,told us the first time when San Long had painting class , he was so curious about the Chinese brush pen that he thought it could be eaten , so he b i t i t ,which caused the classmates ’laughter . Once after San Long finished painting ,he became so interested in the black ink that he poured the ink on the desk The desk was painted into black and it annoyed Mr. Zhang. Since 2000 , San Long’s father has been running an import & export company in Yiwu ,a city known as the global supermarket His business is prosperous and he pays a lot of attention to his sons ’ study in China . He has hired a Chinese teacher to help them with their homework and Chinese learning after class . Besides ,a desk is furnished in the company for the sons to do homework. The father always tells his staff to be strict with his sons . San Long is energetic and active out of class . He often slips into the school ’s Wushu classroom to play with those sticks and swords . He admires Chinese martial art stars like Cheng Long and Li Xiaolong (Bruce Lee) and is determined to become the third dragon of Chinese martial art following the two dragons (Long means dragon in Chinese). “Chinese ,Chinese martial arts and Chinese painting are no problem for me. I will be as good as you at these three courses in a short while ,”said Sanlong to his classmates . According to the Exposition Management Office of Yiwu government ,1 . 7 million kinds of products had been exported to 215 countries and regions from Yiwu by October , 2009 . Yiwu market has become the largest commodities wholesale market in the world and has attracted more than 13 , 000 overseas businessmen from more than 100 countries and regions to settle down in Yiwu and purchase here . There are 320 overseas students like Sanlong from over 20 countries studying in Yiwu.