Cov txheej txheem txheeb xyuas qhov zoo ntawmloj txoj kab uas hla tuab-walled seamless steel yeeb nkabyog raws li nram no:

1 Inferior loj txoj kab uas hla tuab-walled seamless yeeb nkab yog yooj yim rau quav.Lub quav yog tsim rau ntawm qhov chaw ntawm txoj kab uas hla loj tuab-walled seamless raj polyline, qhov tsis xws luag no feem ntau longitudinally thoob plaws tag nrho cov khoom.Tsim cov folded shoddy manufacturers mus nrhiav kev ua haujlwm siab, qhov txo qis yog loj heev, ua rau pob ntseg, generated nyob rau hauv ib tug dov folding, cov khoom folded tom qab khoov yuav tawg, lub zog ntawm txoj kab uas hla loj tuab-walled seamless Qhov loj poob.

2 Shoddy loj txoj kab uas hla tuab-walled seamless tsos feem ntau pockmarked lub ntsej muag.Lub ntsej muag pockmarked hnyav groove hnav tshwm sim los ntawm txoj kab uas hla loj tuab-walled seamless raj tsis xws luag ntawm qhov tsis sib xws ntawm qhov tsis sib xws.Shoddy loj txoj kab uas hla tuab-walled seamless yeeb nkab manufacturers mus nrhiav cov nyiaj tau los, nws yog feem ntau cov feem ntau groove dov.

3. Shoddy loj txoj kab uas hla tuab-walled seamless nto nws ua rau caws pliav.

4 Qhov tsis zoo ntawm daim ntawv yog ib qho yooj yim los tsim cov kab nrib pleb, vim nws ua khob noom cookie adobe adobe ntau qhov pores, lub adobe vim thermal stress nyob rau hauv cov txheej txheem txias, ua rau tawg, tom qab dov muaj tawg.

5 Shoddy loj txoj kab uas hla tuab-walled seamless tau yooj yim khawb vim shoddy khoom manufacturers tsis zoo nruab, yooj yim los tsim glitch, khawb qhov loj txoj kab uas hla tuab-walled seamless nto.Qhov tob khawb txo lub zog ntawm txoj kab uas hla loj tuab-walled seamless.

6 Shoddy loj txoj kab uas hla tuab-walled seamless metallic luster, daj liab xim zoo li npua hlau, vim hais tias muaj ob ob nws dawb paug yog adobe.2, shoddy dov kub tsis yog tus qauv, qhov kub ntawm cov hlau los ntawm kev pom kev pom, yog li tsis tuaj yeem ua raws li cov kev cai ntawm austenitic cheeb tsam dov, txoj kab uas hla loj tuab-walled seamless kev ua tau zoo cov qauv ib txwm tsis.