U combined technology and titanium sponge factory

Jane Li in 1948, America DuPont Co (E.I.Dupont Corp) first output 2T industrial titanium sponge, to twentieth Century 50 years, US and UK, Japan and the Soviet Union were designed and built titanium sponge factory. Initial production, use Clower (Kroll) method for smelting titanium, intermittent production.

  Twentieth Century at the end of 60's to 70's, we have developed semi joint and combined Kroll Process improvement process, the former Soviet Union began, the latter from japan.

  In 80s, the shape of inverted U combined technology has been widely used in various Japanese titanium sponge factory.