Jiayuan.com International Ltd., China's largest online dating site with over 40 million registered users, filed on Wednesday with the SEC to raise up to $100 million in an initial public offering. The Beijing-based company, which was founded in 2003 and booked $25 million in sales last year, plans to list on the NASDAQ under the symbol DATE. BofA Merrill Lynch and Citi are the lead underwriters on the deal. No pricing terms were disclosed.