"We are friends and maintain business relations. And everything is really developing in the most dynamic, best way, we are in constant contact," Putin said at a meeting with Kazakh President Kassym-Jomart Tokayev in Astana.
The are documents prepared for negotiations in various areas, Putin added.
"A number of documents have been prepared — this is a joint statement, and a whole package [of agreements] in various areas... Russia remains one of the largest trade and economic partners [of Kazakhstan] — trade amounted to almost $28.5 billion last year, it is growing, investments are at a good level of $13 billion in the Kazakh economy," Putin added.