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April 2 2013, at 2:00 in the afternoon, in Beijing Xicheng District Library, SME volunteers launched voluntary services "Warm sound, reading for the visually impaired ". The activity was organized by Beijing Institute of Technology Management and Economics with supports from the Xicheng District Culture Commission, Xicheng District Disabled Persons' Federation and the Xicheng District Library. The event included two sessions: volunteer launching ceremony, and reading for the visually impaired.