First Hand Survey:Face to face interviews, Phone interviews, Discuss meetingor Group meeting, Spot survey, Home visiting, Street visiting,Net survey, E-mail survey, Company finance report etc.
Second Hand Survey:Online information, Media reported information, News paper or magazine information, Third part market report or information materials etc.
Data Bank Information:Data Bank of NBS, Data Bank of China Customs, Data Bank ofAssociations, Third part Data Banks (such as IDC，GARTNER，CCID，IN-STAT，ISUPPLY，DISPLAYSEARCH，CSM，Nielsen，National Bureau of Statistics of other countries,……）,Register information etc.
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