... .Speedy & durable 4.external infrared protection safety barriers,road safety barrier Automatic bollard main technical parameterOperate mode: Pneumatic /hydraumaticPower supply: 220V ... & gate opener since 1998.3.Our main products are traffic barrier,garage door opener,swing gate operator,sliding gate opener,industrial ... .8.ODM/OEM service is welcome. safety barriers,road safety barrier