Tham txog qhov tshwj xeeb zoo ntawm kub-dip galvanized steel grating
Steel grating tau ua lub luag haujlwm tseem ceeb hauv tib neeg kev tsim khoom txhua hnub. Hlau grating yuav siv tau nyob rau hauv factories, rhiav, txoj kev loj, lub vaj, kev tsim kho hauv nroog, docks thiab lwm qhov chaw. Tej no tej zaum yuav tsis ua rau peb muaj kev nyuaj siab. Tej zaum nws yuav nyuaj rau peb ...
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