... 2,Retractable 3.Speedy & durable 4.external infrared protection safety barriers,road safety barrier Automatic bollard main technical parameterOperate mode: Pneumatic /hydraumaticPower ... S. Guardrail Exhibition , b)Chinese Commodity Fair in Jordan , c)IDA Automatic Door Show ,d) Italian Building Material Exhibition ,e ... ,South Africa etc.8.ODM/OEM service is welcome. safety barriers,road safety barrier