txawvTracker & Tsau Hlau Ncejyog deigned nrog txawv spindle steel raj, feem ntau nyob rau hauv square, ncig, octagonal daim ntawv.Raws li ib qho tseem ceeb ntawm cov trackers, lub square, ncig, octagonal spindle raj yuav tsum siab ncaj thiab distortion.Peb nruj me ntsis tswj lub dimension raug thiab nto flatness ntawm kub dov coils los ntawm cov khoom txuas, thiab ces txiav thiab twist lub coils ob zaug tom qab cov hlau raj tiav lawm.Ncaj nraim kom ntseeg tau tias peb cov khoom ua tau raws li qhov xav tau ntawm cov duab kos.