TEHRAN - Senior Iranian and Pakistani economic officials, in a meeting in Washington on Sunday, explored avenues for the further expansion and development of the two countries’ economic ties and cooperation, reported Fars News Agency (FNA).In their meeting on the sidelines of the 2012 Spring Meetings of the International Monetary Fund (IMF) and the World Bank Group in Washington, Iranian Economy Minister Seyed Shamseddin Hosseini and Pakistani Finance Minister Abdul Hafeez Shaikh called for enhanced mutual ties in all fields.The two ministers also underlined the need for implementing joint projects.Iran and Pakistan have always had very close and intimate relations throughout the history.The two countries exchange delegations on a regular basis and their leaders are resolved to further accelerate expansion of ties and cooperation between the two neighboring nations.Late in March, Iranian and Pakistani presidents in a meeting in Dushanbe, Tajikistan, reiterated the two countries’ enthusiasm for the further expansion of bilateral economic relations.Iranian President Mahmoud Ahmadinejad and his Pakistani counterpart Asif Ali Zardari underlined the need for further expansion of all-out ties, particularly in the field of economy.