Hanoi, Oct. 17 -- The official visit to Vietnam from October 17 - 18 by Swiss President Guy Parmelin and his spouse marks an important milestone as the two countries are celebrating the 55th anniversary of diplomatic ties (October 11, 1971-2026), and is expected to open up a new stage of cooperation for mutual benefit. The trip is being made at the invitation of General Secretary of the Communist Party of Vietnam Central Committee and President To Lam and his spouse. 55 years of enduring friendship Despite the geographical distance, Switzerland has long maintained close ties with Vietnam. Their relations date back to the second half of the 19th century, when Swiss trading companies, including Diethelm and Biedermann, established their pre...