How to apply for a multiple-entry visa from Sichuan to Russia for one year?

The following materials are required for a multiple-entry visa for Russian business in one year:

A valid passport and a copy of the first page of the passport and a copy of the ID card.

2. Two photos (35X45, two-inch color photos with white background).

3. Visa application form (all questions in the form should be answered) Supplementary information form must be filled in for multiple visas.

4. Original invitation letter issued by Russian Immigration Bureau or Ministry of Foreign Affairs.

Russian visa is the endorsement and seal of passport or other travel documents held by Russian state sovereignty organs to show the procedures for allowing them to enter and leave the country or transit. It can also be said that it is an endorsement certificate issued to them.