IBRD is one of the worlds largest intergovernmental financial institutions, by offering loans to productive projects and provide guidance to reform plan, help the less developed members for economic development. Provides medium and long-term loans to developing countries, loan interest rate is lower than the market interest rates; The international development association dedicated to low-income developing countries to provide interest-free loan for a long time; The international finance corporation is responsible for offering loans to the private sector in developing countries or direct equity investment.