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During the first class, they learned sign-language expressions for numbers, daily phrases and commonly used legal terms from a teacher at a school for children with hearing difficulties.

During the three-day demand-and-supply matchmaking meetings during this year's CIIE, up to 1,367 exhibitors from 103 countries and regions and 3,258 buyers reached a total of 2,160 purchase intention agreements.

During the May 5 Shopping Festival launched in Shanghai earlier this year, sales revenue at the diamond sales center exceeded 25 million yuan (.7 million), with more than 110 1-carat bare diamonds sold during the period.

During the expo, 24 events are scheduled to be held, involving more than 30 fields, with 14 events jointly held by Chinese and Russian government bodies, he added.

During the same period, electric bike manufacturers reported total revenue of 67.76 billion yuan, up 26.6 percent year-on-year, with their profits surging 30.4 percent to 2.63 billion yuan, the ministry said.