Uses:The extensive use to The automobile system moves to take careof the road and launch the machine to  enter the pipeline and return to pipeline,vapor to move to take care of the road.

Features:Havees optimum in nylon chemistry and thephysics stability,and havees lightly,softly and combats to be getting near and endure tobe getting near and endure shock,a wearproof harm and endure the tortuous path and a corrosion resisting and emdure the tall lowtemperature and the rub factor is little and servrce lifedevelops and so on the distingguishing feathre,Guan Zis dimensios is steadyd,the face smoothly,various colors,is safe and reliable.