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... of metals research and product development Yong-jin Chang said. ... volumes for the scrap contract,” Chang said ... You can't change any of those things ... View this article
... Yong-jin Chang, director of metals research and product development for Chicago-based ... were very rigid in their interest level in change, but that's ... View this article
What is causing the most weakness to the U.S. metals industry?
June 20-21, 2013 New York
We try to get the information we can, but we're not sure what's mandated.
--Tin trader