Muaj kev ntshai hauv kev lag luam steel, puas yuav poob qis mus ntxiv?Niaj hnub no, kev lag luam steel tau ua rau kev poob qis, thiab kev poob qis tau nce ntxiv.Nyob rau hauv cov nqe lus ntawm ntau yam, xov, kub kauj thiab lwm yam ntau yam feem ntau poob los ntawm 30-70 yuan, thiab strips, profiles, txias-dov coatings thiab lwm yam variations ...
Nyeem ntxiv