YG20 jẹ iru simenti carbide, pataki tungsten carbide.Ko ṣe itọju ooru, o ni aṣọ inu ati lile ita, ati pe o dara fun iṣelọpọ pupọ.YG20 jẹ o dara fun ṣiṣe awọn imunwo stamping, gẹgẹ bi awọn apakan aago stamping, ohun elo orisun omi ohun elo, ati bẹbẹ lọ, ...
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