关注微信公众号查券更方便
进口9Cr18moSUS440C圆钢9Cr18mov4CR13钢板不锈钢2CR13S136H棒
2CR13 S136H 9Cr18moSUS440C不锈钢圆棒9Cr18mov 4CR13模具钢钢板
不锈钢模具钢nak80 4cr13圆钢9cr18mosus440c d2 p20 h13 718圆棒
供应不锈钢2CR13S136H9CR18MOSUS440C圆钢CR12MOV4CR13圆棒
板材9Cr18mosus440c 440C 9cr18mov 440b圆棒 Cr5Mo1V铁板2mm