| Jun Hua possesses about 30 new
techniques,including 15 patents of invention,part of which are granted by the U.S and
European Community. For example,the multi-branch pile formed by extrusion has the bearing
capacity of near 10000 KN for one pile;the new technique of composite foundation
treatment makes it possible to improve the bearing capacity of foundation to 600-700KN/m².Further
,our underground extrusion propping system is a significant breakthrough in propping
structure. Under the headquarter,there is research &
development department to improve the techniques. Our patent device manufactering company
has acquired a certain scale of production capability.Jun hua has built up its network of
design with over 50 licenced design institutes.Our project department |

|
In the 96'Beijing
International Invention Exh-
ibition,Dr.Gao Lulin,the Commissioner of the Patent office of the People's Republic of
China,focused on our project. |
|