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untuk kebutuhan konstruksi ataupun industri, Anda bisa mendapatkannya di distributor besi baja MBT Steel Surabaya. Dapatkan penawaran harga yang menarik! Info lebih lanjut segera hubungi tim internet marketing kami di 081333395279. stress-locked bar grating, or swaged grating, is where by steel rods are forced by means of and locked in load bars.