1. Find a qualified and authorized training institution or examination institution to provide training and examination services for mobile pressure vessel filling certificate (R2 certificate).

2. When choosing an institution, make sure it has a good reputation and legal qualifications.

3. Contact the selected institution to learn more about its training course arrangement, examination time and registration requirements. They will guide how to prepare for the exam and provide relevant information and guidance.

4. According to the requirements of the organization, it is necessary to provide some personal information and relevant documents, such as identity certificate, education certificate, work experience certificate, etc.

5. Pay the corresponding training fees and examination fees. The cost standard varies from institution to institution, and the specific cost information can be verified with the selected institution.

6. Attend the training class and prepare for the exam. The training course helps to understand the relevant knowledge and skills of mobile pressure vessel filling and prepare for the exam.

7. Take the test on the specified test date. The examination content includes theoretical knowledge examination and practical operation skill examination.

8. According to the examination results, the institution will issue the certificate of filling mobile pressure vessels (R2 certificate) to qualified candidates.