TEHRAN Vietnams National Assembly (NA) Chairman Vuong Dinh Hue arrived in Tehran on Tuesday morning, beginning hisofficial visit to Iranat an invitation of Speaker of theIranian Parliament (Majlis) Mohammad Baqer Qalibaf, VNAreported.While there, Hue will hold talks with his host and meet with high-ranking Iranian officials, the Chairman of the Iran-Vietnam friendship parliamentary group and the president of the Iran-Vietnam friendship association.He will also deliver a speech at a law and policy forum to boost economic, trade and investment cooperation between Vietnam and Iran; make a presentation at the Institute for Political and International Studies (IPIS) of Iran's Ministry of Foreign Affairs; participate in the opening ceremony of aVietnamese culture week; and visit a number of production, economic, scientific and technological facilities in Tehran and Isfahan.Hue's trip is taking place on the occasion of the 50th anniversary of the establishment of diplomatic ties, nearly 25 years after NA Chairman Nong Duc Manhs Iran visit in 1999, and five years after Speaker of the Iranian Parliament Ali Larijanis official visit to Vietnam in April 2018.It is expected to provide a strong impetus to elevate bilateral relations to a new height, better tapping the existing cooperation potential in various aspects such as politics, diplomacy, economy, trade, culture, and science and technology.