1955
CELAL YOLLU PRODUCED HIS FIRST SINGLE BARREL SHOTGUN WHEN HE WAS JUST 13 YEARS OLD.
1967
CELAL YOLLU PRODUCED HIS FIRST SINGLE BARREL SHOTGUN WHEN HE WAS JUST 13 YEARS OLD.
1973
CELAL YOLLU ESTABLISHED AVSAN COMPANY IN DUZCE AND PRODUCED THE FIRST OVER&UNDER SHOTGUN OF TURKEY.
1992
CELAL YOLLU PRODUCED THE MODEL 92-A IN VURSAN WHICH IS THE FIRST SEMI AUTOMATIC SHOTGUN OF TURKEY.
1995
CELAL YOLLU PRODUCED THE MODEL 95-A IN VURSAN WHICH IS THE FIRST SEMI AUTOMATIC AND PUMP ACTION SHOTGUN OF TURKEY.
1997
CELAL YOLLU ESTABLISHED ATA COMPANY IN ISTANBUL, DUDULLU IMES INDUSTRIAL AREA.
1998
CELAL YOLLU PRODUCED CY-16 PISTOL IN VURSAN COMPANY.
2000
VURSAN BECAME PARTNER WITH BERETTA.
2002
VURSAN WAS SOLD TO BERETTA AND CELAL YOLLU BECAME THE HEAD OF ATA COMPANY.
2004
ATA PRODUCED THE CY 3.5” SUPER MAGNUM GAS OPERATED SEMI AUTOMATIC SHOTGUN.
2010
CELAL YOLLU WHO WAS THE DOYEN OF TURKISH FIREARM INDUSTRY HAS PASSED AWAY.
2014
VENZA SEMI AUTO SHOTGUN IS PRODUCED AND PATENTED ALL OVER THE WORLD BY ATA.
2015
ATA PRODUCED THE FIRST BOLT ACTION RIFLE OF TURKEY.