中国石油大学（华东）238名学生参与北京精雕云实习。 Beijing Jinhao Group is a national high-tech enterprise with high-end CNC machine tools, CNC systems, CAD/CAM software, high-precision driving axes, and informationization systems. The company has reached international first-class production capacity. Beijing Jinhao Group is a key high-tech enterprise under the National Plan for the Foster of Science and Technology Innovation, focusing on providing customers with processing solutions. The company's processing capacity reaches international first-class level.