The
remote-control
Bulk
Grab
won
the
10th
Session
International
In-vention
Exhibition
Gold
medal
in
USA
in
1994
The IST sliding Block Single Rope Orange Grab Won International Invention & Advanced rechnology Exhibition Gold Medel and certificate in Genevese in 1989
The Single Rore Timber Grab won the 7th sessio International Invention Exhibition GoldMedal and certificate in USA in 1991