Cov metric txuas yog tus qauv tshiab, los ntawm kev ua lag luam siv tshuab zoo heev thiab cov ntaub ntawv raw zoo, kev ua tau zoo ntawm metric txuas mus txog rau tus qauv siab dua. Peb zoo tag nrho rau txhua qhov nthuav dav ntawm cov metric txuas , lav tau theem zoo, yog li coj koj cov khoom zoo tshaj plaws. Yuyao Ruihua Hardware Factory yog tus kws tshaj lij Tuam Tshoj meT cov neeg tsim khoom lag luam thiab cov chaw muag khoom, yog tias koj tab tom nrhiav cov metric metpling nrog tus nqi qis, Tham peb tam sim no!