This technology has been patented. This technology has been confirmed by the online search of provincial patent center: this technology is at the leading level at home and abroad. 1994 10 was granted the invention patent right by the State Patent Office! (patent number: ZL92 10 1775.8). 1996 12 was awarded the "First Shanxi Patent Gold Award" by Shanxi Patent Administration. At the same time, in April 1994, he won the "Second Prize of Shanxi Science and Technology Progress", and on April 26th of the same year, he won the "Third Prize of the First China Engineer Science and Technology Achievement Grand Prix" (the first prize was vacant) and the "Outstanding Achievement Award of Industrial Technology Progress of China Nonferrous Processing Association".
Once again, it was selected by the State Science and Technology Commission to participate in the "62nd American New Technology and Various Products Exhibition" held in new york, USA in June, 1995. After learning about this technology, the American Center for International Invention and Development got in touch with him, and assessed the asset value of this patented technology as $6,903,330 (time: 18, August 2000).
1993 was approved by the State Council as an expert enjoying special government allowance.