Lub 1015 me me steel pob kev lag luam tab tom muaj kev nce qib tseem ceeb, uas tau tsav los ntawm precision engineering, cov khoom siv zoo, thiab kev thov loj hlob rau cov khoom siv hlau ruaj khov thiab ruaj khov hauv ntau yam kev siv.1015 Mild Steel Balls tau tsim kho tsis tu ncua ...
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