1 In 1991, first developed out ф90geonet production line in China, and gone into operation
2 In 5. 1992, first import NETLON geonet production line from U.K.
3 In 8 1997, developed out geobelt production line by herself
4 In 7 1997, developed outф120 geonet production line by herself
5 In5 1998, developed outф150 UXgrid production line by herself ,filled in the gap of this field in our country

6 On June12.1998, the experts meeting of China Geo-synthetic Materials Engineering Association Council about application of grid was held in our company
7 On Dec18.1998, the first BX grid production line of China was manufactured by our company
8 On Dec24.1998, the symposium about reinforcing engineering of China geo-synthetic materials was held in our company
9 On Mar8. 1999,geomattress  was developed out by our company herself
10 In Aug .2001, geocells production line and its products were developed out by our company itself
The application of our machine and its products caused a great change in the field of engineering. In order to protect our positive results, we applied for patent , and got them.