Cov noodles xuas tes ua yog ua los ntawm cov hmoov nplej siab zoo thiab cov dej caij nplooj ntoos hlav zoo, tsuas yog siv ntsev, ci dej qab zib, thiab dej caij nplooj ntoos hlav. Qhov sib piv ntsev yog ua tib zoo kho kom hloov me ntsis nrog qhov kub thiab txias. Cov noodles tiav lawm yog nyias li cov plaub hau thiab meej li cov jade dawb, nrog cov qauv hollow tshwj xeeb, ncaj thiab hollow lossis zoo li xyoob tua. Qhov no hollow qauv yog tsim los ntawm ib tug tshwj xeeb fermentation txheej txheem. Cov noodles xuas tes ua muaj chewy thiab resilient kev ntxhib los mos, thiab paub tias tsis dhau los ua nqaij thaum siav, tsis clouding lub broth, thiab tseem tshiab txawm tias tom qab reheating.

Cov txheej txheem ntau lawm yog complex, feem ntau koom nrog ntau tshaj kaum mus rau nees nkaum cov kauj ruam ntawm phau ntawv qhia. Cov kauj ruam tseem ceeb muaj xws li kneading lub khob noom cookie, cia nws so, coiling, winding, rub, thiab ziab. Fermentation yog qhov tseem ceeb heev rau kev tsim cov qauv hollow thiab cov qauv zoo nkauj.

Cov noodles xuas tes ua tau yooj yim zom tau yooj yim thiab haum rau cov pab pawg xws li cov neeg laus, menyuam yaus, cov poj niam tom qab yug menyuam, thiab cov neeg mob.