VNET [21Vianet] 6-K: (Original Filing)
[17,000,000 American Depositary Shares Representing 102,000,000 Class A Ordinary Shares, Par value US$0.00001 Per Share 21VIANET GROUP, INC. UNDERWRITING AGREEMENT [ · Credit Suisse Securities (USA) LLC Eleven Madison Avenue New York, N.Y. 10010-3629 Morgan Stanley & Co. LLC 1585 Broadway New York, N]