On 29th of April, 2021, the phase 1 examination of Rhein-Koester 2021th AHK (Shanghai) Mechatronics Engineering Vocational Skill Certification, has been successfully completed, which lasts for 11 days.

The exams take place in Zibo and Qingdao platform at the same time. 216 students of 2019th Sino-German Project Class from Zibo Vocational Institute, LuZhong Vocational College, Pingdu Technician College, Shandong Industrial Technician College, Jining Technician College, Shandong City Service Technician College, Weihai Technician College, participated the exam.