Hollow shaft i cylindrical component ine hollow centre, zvichireva kuti ine gomba kana nzvimbo isina chinhu inomhanya nepakati axis yayo. Aya mashaft anowanzo shandiswa muakasiyana mashandiro emuchina uko kunodiwa chinhu chakareruka asi chakasimba. Ivo vanopa mabhenefiti akadai sekudzikiswa huremu, kuvandudza kushanda zvakanaka, uye kugona kuisa zvimwe zvinhu zvakaita sewaya kana nzira dzemvura mukati me shaft.
Top ten enterprises in china ,neshopping with 1200 staff ,owin the total 31 inventions and 9 patents .Advanced kugadzira midziyo ,heat treat equipment ,inspect equipment .All process from raw material to finish yakaitwa mumba , strong engineering team and quality team to meet uye kupfuura zvinodiwa nemutengi .
