Solar importer for solar - Energy Sector

Hello. Let me introduce myself: My name is **. ** company.Krasnodar. We want to order a boilers on 300 litters for solar system, with heating element (1 outline, or 2) do you have this? Can we use it for a solar system? If yes, waiting at response from you, and if its possible, send to me the following documents: the price list, characteristics on appropriate boiler and the agreement. Thank you