17-4PH盘圆-丝材,17-4PH扁钢-锻环
¥50.00
泰克罗伊ERNiCrMo-10镍基焊丝 直径0.8/2.4mm
¥400.00
309S(0Cr23Ni13)不锈钢焊管,309S无缝管
¥30.00