Roadblocks is made of high strength,high toughness of engineering plastics (PA + PE); And the spikes is made of stainless 

steel tube .This product has a pre-assembly, recycling, freely extendance, safe and effective, portable and easy for using.Police officers usually use to control 

of the criminal or terrorist’s vehicle. 

Road block:To safeguard the safety of road transport facilities

Introduction
Patented product developed by the LZJ-A5 plastic barricades broken tire device company (Patent No.: ZJ992556678). Roadblocks main use of high strength, high toughness of engineering plastics (PA + PE) manufacturing; needles nitride stainless steel tube developed from; This product has a pre-assembly, recycling, free scalable, safe and effective road coverage, adaptable, light weight, portable, easy to use. Police officers to the control of the Road Traffic Police Equipment.

Use
Plastic barricades broken tire device's role in the execution of its mandate on the road barriers to effectively intercept the suspect vehicle, that is, when the vehicle tire contact to the barricades barbed needle, needles immediately rolled into the tire and use the tire deflated and lost tire pressure. causing the vehicle not running properly and to halt. Block once the vehicle after the success of the needles and rubber sleeve just fill loaded to lose, but also for the next intercept vehicles to continue to use.