B2B-Center, a Russian provider of online procurement and e-commerce systems, has raised $45 million in funding from a consortium of investors led by Da Vinci Capital Partners, Insight Capital, Alpha Associates and Runa Capital.

Before this round, Russian Internet giant Mail.ru and B2B-Center founder Alexander Boyko held shares in the company.

B2B-Center is said to be the leading online procurement platform in Russia in terms of market share and transaction volume, enabling its clients to efficiently buy and sell products and services on the Internet.

Daily trading volumes on B2B-Center are currently between $70 million and $300 million, with the average transaction size at approximately $700,000.

With the help of the fresh capital injection, the company will focus on expanding its electronic trading platform business internationally.