Beijing Internet Rubik's Cube Technology Service Co., Ltd. (isBIM) is OK. In addition to BIM consulting business, they also have BIM training, BIM software research and development, BIM standard formulation and BIM platform, which can provide comprehensive solutions around the whole life cycle of buildings. The Wang Junfeng of BIM is the connected cube. Published Revit20 13/20 14 Mars class on architectural design, introduction to Autodesk Revit civil engineering application, introduction to Autodesk Revit electromechanical application, Autodesk Navisworks practical application thinking class, etc. People who are interested in learning BIM can also buy books for self-study. Internet Rubik's Cube companies are also providing BIM training to many enterprises. If you sign up, you can even meet Mr. Wang.