Column tooth bit Zopangira:
1. The mzati dzino pang'ono ali mkulu migodi dzuwa: ntchito luso mwini yekha, super hard aloyi batani mano, kuuma (HRA) ≥92.5, mphamvu ≥2800N.
2. Moyo wa trouser wa thalauza la mzati wa dzino umachulukitsidwa ndi 50%: thupi la thalauza limatenthedwa komanso limapangidwa mwaluso, thupi la thalauza ndi lolimba kwambiri ndipo silikusweka.
3. Kubowola kothamanga ndi kukumba, zonse zosagonjetseka.
Ndife amodzi mwa opanga nyundo zobowola mwala ku China, okhazikika pakupanga zida zobowola mwala zopangidwa mwaluso komanso zida zapamwamba, zopangidwa motsatira miyezo yamafakitale ndi CE, chiphaso cha ISO9001 kasamalidwe kaubwino.Makina obowolawa ndi osavuta kukhazikitsa, kugwira ntchito ndi kukonza.Makina obowola ndi okwera mtengo komanso osavuta kugwiritsa ntchito.Kubowola mwala kudapangidwa kuti zikhale zolimba komanso zolimba, zosawonongeka mosavuta, zokhala ndi zida zambiri zobowola mwala.