1957: Philippine President Ramon Magsaysay and over 20 other people are killed in a plane crash that takes place in Cebu, Philippines. 1958: The U.S launches the Vanguard I satellite on this day. 1960: United States President Dwight D. Eisenhower signs a National Security directive that will...
In February, the output of domestic smelters dropped significantly. During the Chinese New Year holiday, smelters closed for maintenance. Moreover, zinc concentrate raw materials were tight after the holiday, thus some companies delayed their resumption of production. The number of calenda...