How to check validity of Russian GMP certificate?
For checking validity of russian GMP certificate or presence of Russian GMP certificate in state register you need to visist official state register of Russian GMP certificates located under following link (official site of Russian Ministry of Industry and Trade).
Stete register of russian GMP certificates:
Moreover state register of issued GMP certificates also contains information about rejection of GMP cerficates of companies.
Detailed information about procedure of russian GMP receiving you can find in article Russian GMP Inspections.