Tsim los rau cov tshuab hnyav, cov khoom siv tuab, thiab cov thav duab tubular ruaj khov, peb cov 101-150 kg (222-330 lbs) bolt qhov casters muab lub peev xwm siab through-bolt fastening. Muaj lub hollow kingpin hnyav-gauge tsim los tiv taus kev sib tsoo hauv qab cov khoom hnyav, lawv tso cai rau kev teeb tsa bolt ruaj ntseg. Ua rau hauv qhov loj me ntawm 2 nti thiab siab dua nrog cov treads uas tsis cuam tshuam, tsis muaj cim, lawv ua kom muaj kev txav mus los zoo thiab cov txheej txheem xauv txhim khu kev qha. Tsis pom qhov koj xav tau? Tiv tauj peb kom tau kev taw qhia.
