京雷铝焊丝GMA-A5356Q铝镁焊丝ER5356铝镁焊丝 ¥36.00 京雷GFS-316LW E316T1-1 不锈钢药芯焊丝 ¥60.00 京雷焊丝GFR-110K3MSR低温钢药芯焊丝E111T1-K3M焊丝 ¥45.00 京雷GFS-309H不锈钢药芯焊丝 E309HT1-1不锈钢气保焊丝 ¥88.00 京雷GFS-308LPD E308LT1-1/4不锈钢药芯焊丝 ¥50.00 京雷GFH-420C-S/GXH-81硬面埋弧堆焊焊丝 ¥60.00