1.Qhov tshwj xeeb tread compound formula txo qhov hnav tsis tu ncua, ncua sij hawm lub log tsheb.
2. Cov qauv tsim kho kho dua tshiab muab kev tuav hauv av zoo heev thiab ua haujlwm ntub dej tsis zoo.
3. Cov cua kub zoo dua, kev nyab xeeb ntawm kev tsav tsheb.
4.Superb reinforced log hlaws tsim kom muaj peev xwm thauj khoom zoo dua ntawm txoj kev sib xyaw.