m303M303 is a type of mould steel with hh chromium and nickel content. It has hh hardness, strength and corrosion resistance. See its chemical composition, physical and mechanicalTemukan keseruan tanpa batas di M303, platform dital yang menyediakan beragam hiburan seru. Dapatkan pengalaman bermain yang aman, nyaman, dan pastinya penuh kejutan. Dari: