Cov thev naus laus zis tuaj yeem ua kom peb cov txheej txheem tsim khoom raug ua kom yooj yim thiab txhim kho dua tshiab, uas txuag tau ntau lub sijhawm thiab lub zog rau peb. Nws qhov kev pab them nqi ntawm daim ntawv thov tau nthuav dav mus rau thaj chaw (s) ntawm YJ-NF.
Tom qab lub heedle (heald), Cov khoom siv koob - Txoj hlua khi tau tsim tawm, feem ntau cov neeg siv khoom tau muab cov lus tawm tswv yim zoo, ntseeg tias hom khoom no ua tau raws li lawv qhov kev cia siab rau cov khoom zoo. Ntxiv mus, kev pabcuam kho kom haum rau cov neeg siv khoom sib txawv.
Tom qab ntau xyoo ntawm kev tshawb fawb tob tob, peb tau ua tiav tsim cov khoom tshiab muller parts jacquard needle parts tnf, tshuab spare parts jacquard needles. Tam sim no, cov thev naus laus zis no yog tus thawj coj hauv kev lag luam.