Weird charts, that's for sure. I can't find any bad news that would account for such a plummet. (But that is also true of many, many other stocks in this price range).
I did find a fascinating scholarly article from the Frankfurt School: Working Paper Series No. 168, "Energy Service Companies in China: The Role of Social Networks and Trust" by Genia Kostka and Kyoung Shin, June 2011.
Longhai Steel is mentioned therein, among others. Great stuff, and particularly so for anyone considering investing in a Chinese company.
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