GB T554-96 Type E Double Cross Bllad GB T554-96 Type E Double Cross Bollard is one type of GB/T 554-96 bollard.
GB T554-96 Type D Single Cross Bllard Our type D single cross bollard is strictly designed according to national industrial standard GB/T 554-96.
Type A Ordinary Bollard GB/T 554-96 type A bollard is an ordinary double bitts bollard with a base.