No need. According to the inquiry of official website of Nanjing Library, the library can make the legal person authorized client of the bidding applicant need to bring his valid identity certificate and the original legal person power of attorney to participate in the prequalification on time without being present in person. Nanjing Library, located in Xuanwu District, Nanjing, is the third largest library in China, the fourth largest library in Asia, a provincial public library in Jiangsu Province, the first batch of national key protection units of ancient books, a national first-class library and a document resource guarantee center in Jiangsu Province.