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Su Yu. From 2004 to the present, Mr. Su has been Manager of Harbin Hongbo Environment Protection Material Ltd. From 2002 to 2004 Mr. Su was the Chief Executive Officer of Harbin Success Engineering Material Ltd. From 2000 to 2002 Mr. Su was a Superintendent with managerial responsibilities at the Harbin Zhongtian Environment Protect Technology and Innovation Institute. | 