When was the Yiwu Zipper Machinery Exhibition held?

may 7, 211. According to official website of Yiwu Economic Development Bureau, the 211 China Yiwu Light Industry Machinery Expo was hosted by Yiwu Economic Development Bureau on May 7, 211 at Yiwu Meihu Convention and Exhibition Center. Yiwu, a county-level city managed by Jinhua City, Zhejiang Province, the People's Republic of China, is a "capital of small commodities". Its economy is dominated by the tertiary industry, and its advantageous industries include industrial textiles and garments, culture, education, sports and entertainment products manufacturing, e-commerce and express delivery, covering an area of 1,15 square kilometers.