Zhengxin 14X2.5 (six layers of vacuum tires) warranty for one year, Zhengxin 3.00-10 (six layers of vacuum tire flat lines) warranty for one year, Zhengxin 3.00-10 (Six -layer vacuum tire convex pattern) warranty for one year, Zhengxin 3.50-10 (six -layer vacuum tire flat line) warranty for one year, Zhengxin 3.50-10 (six -layer vacuum tire convex pattern) warranty for one year, Zhengxin 3.00-8 (six layers of vacuum tires) warranty for one year, Zhengxin 2.75-10 (six -layer vacuum tire) warranty for one year, Zhengxin 16X3.0 (six -layer vacuum tire) warranty for one year, Zhengxin 90/90-10 (six -layer vacuum tire) warranty for one year, Zhengxin 90/90-12 (six -layer vacuum tire) warranty for one year, Zhengxin 4.00-10 (six -layer vacuum tire flat top) Quality protection for one year, Zhengxin 4.00-10 (six layers of vacuum tires) warranty for one year, Zhengxin 3.00-12 (six layers of real empty tires) warranty for one year, Zhengxin 3.50-12 (six layers of vacuum tires) warranty for one year, Zhengxin 3.75-12 (six -layer vacuum tire) warranty for one year, Zhengxin 4.00-12 (six layers of vacuum tires) warranty for one year, Zhengxin 14X2.5 (outer tire + inner tire) warranty for one year, Zhengxin 16X3.0 (outer tire + inner tire) warranty for one year, Zhengxin 3.00-10 (outer tire + inner tire flat line) warranty for one year, Zhengxin 3.00-10 (tire + inner tire convex pattern) warranty for one year, Zhengxin 4.00-12 (outer tire + inner tire dome) warranty for one year, Zhengxin 4.00-12 (tire + inner tire flat top) warranty for one year, Pirellous king steel wire vacuum tire 3.00-10 eight levels, 26-21/12, Zhengxin 14X2.125 (six layers of ordinary tires) non -vacuum tires, Zhengxin 14X2.125 (six layers of vacuum tires), Steel wire 400-12