in 1992~2012 year awarded 5 international patent and 35 national patent.
in 2005 year won the second prize of the technological innovation in the 1st national building material industry field
in 2002 year gained the small and mid-sized enterprise technology innovation fund "new column grinding machine design and.
in 2001 year rewarded the small and mid-sized technological enterprise innovation fund by the national research council.
in 1997, passed the provincial identification presided by the hunan provincial science and technology commission and was listed as the national torch plan project by ministry of science.
in 1998, the column grinding mill is affirmed the national new technical products by ministry of science and technology, business administration, intellectual property office and other six ministries .
in 1992, shenxiang company established.