Ọpọn okun irin alailopin ASTM boṣewa 304 - Ile-iṣẹ irin alagbara Liao cheng sihe

A ṣe amọja ni ọpọn irin ti ko ni irin stiain, Ipele 201 304L 304 316 316l 2205 625 825 Alloy ect