A boom barrier, also known as a boom gate, is a bar, or pole pivoted to allow the boom to block vehicular access through a controlled point. Typically the tip of a boom gate rises in a vertical arc to a near vertical position. Boom gates are often counterweighted, so the pole is easily tipped. JUTAI Offier 1-6m straight arm barrier gate, fence barrier gate , and folding arm barrier gate Gate speed we can do 1.8s fast speed barrier gate, 3s and 6s barrier gate Any details please email to [email protected] [email protected] www.jutairfid.com #automaticgatebarriersystem #gatebarriersystempdf #barriergatesystem #automaticbarriergateprice #manualbarriergate #nicebarriergatemanual #niceboombarrierinstallationmanual #nicewil4barrier #boombarrierprice #automaticboombarriermanufacturers #typesofboombarrier #boombarrierspecification #boombarrierdesign #boombarrierpdf #manualboombarrier #boombarrierworking principle（在 Shenzhen, Guangdong）