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      Henan Province Quality Supervision Bureau,came to Tianguan

          On December 20, 2012, Jiang Huizhong (middle), vice direction of Henan Province Quality Supervision Bureau, came to Tianguan for visit and investigation. Zhang Xiaoyang (right), president and general manager of the Group, escorted to visit the company exhibition hall, fuel ethanol production line and industrial biogas company plant area.

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