29th IASTEM - 688th International Conference on Economics and Business Management (ICEBM) Beijing, China 29th IASTEM - 632nd International Conference on Control, Automation, Robotics and Vision Engineering(ICCARVE) Beijing, China 29th IASTEM - 689th International Conference on Civil and Architectural Engineering (ICCAE) Beijing, China 29th RF - 501st International Conference on Management, Economics & Social Science - ICMESS 2019 Shanghai, China 29th RF - 501st International Conference on Medical & Health Science - ICMHS 2019 Shanghai, China 29th RF - 501st International Conference on Science, Engineering & Technology - ICSET 2019 Shanghai, China