Semi-automatic bollard can be risen automaticly,and be fallen by appropriative key.With the advantage of no need electricity,it can be widely used in passageway that vehicles go in and out not frequently.Rising:rotate the key,the bollard will rise automaticly.
Falling:rotate the key,then push the top of the bollard to force it down to the ground.rotate the key again so that the bollard can be locked.
  We have our own factory and whole set of manufacturable machine, which can provide you reliable, high-precision, high-quality products. Also all our products can be customized. All our products have patents.
  "Integraty, Service, Efficent, Innovation"is our faith to run the company. Quality is the most important thing for us. Our company is the only one to be interviewed by CCTV QUALITY program. We hope you and us are in a win-win situation and have a long-term cooperation relationship. 

material	304 stainless steel
bollard wall thickness	6/10/15mm
diameter	133/217/271mm
rising height	400/600mm
rising&falling time	3~5s
drive unit	gas driven bar
rising&falling control	appropriative key
gross weight	50~80KG
protection grade	IP68
alarm methed	reflective tape(LED optical)