2cr13,4cr13,00cr12,00cr18ni9不锈
金赛供应9CrWMn
金赛供应Cr12Mo1V1
金赛供应DF-2
nak55,p20,skt4..
2cr13,4cr13,00..
无锡金赛槽钢,方钢,扁钢,质量优