Yuav ua li cas kom ruaj khov kev ua tau zoo ntawm SSAW Steel Yeeb Nkab 1.Small thiab medium-qhov loj me steel, Hlau pas nrig, rebar, nruab nrab caliber steel yeeb nkab, steel hlau thiab steel hlau hlua, yuav muab khaws cia rau hauv ib tug zoo ventilated cov ntaub ntawv los, tab sis yuav tsum npog ncoo. . 2.Ib co hlau me, nyias steel phaj, steel sawb, silicon steel s ...
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