A group of women calling for workplace equality demonstrated…outside a Beijing company [Juren Education Technology Co]…Cao…filed her case with Beijing's Haidian district court…[She] claims…the company told her she had been rejected for…[a] job because it was a "man-only" position…A human resources employee…said she had no information about Cao's allegations…The head of the company was unavailable for comment. Liu Xiaonan, an associate professor at China University of Political Science and Law…said the case could be the first lawsuit filed over job-recruitment sex discrimination since the Employment Promotion Law went into effect...