You can take bus No.26 in Erlizhuang, get off at the Seismological Bureau at Yuntong 109 and Yuntong10, and go straight to Zhongguancun talent market.
Erlizhuang takes bus No.26 or Yuntong 1 10 to Zhongguancun West, then takes bus No.718 to Haidian Bridge North, or takes bus No.425 to Dazhong Temple, then takes bus No.718 to Haidian Bridge North, and then walks west.