昆山京雷GFR-150G高强度钢药芯焊丝

昆山京雷GFR-140GM高强度钢药芯焊丝

【昆山京雷GFR-120GM高强钢药芯焊丝E121T1-GM焊丝

昆山京雷GFR-120G气保焊丝E121T1-GC高强度钢药芯焊丝

昆山京雷GFR-110K4药芯焊丝 E111T1-K4C高强度钢焊丝

昆山京雷GFR-110K3M高强钢药芯焊丝E111T1-K3M气保焊丝

昆山京雷GFR-100K3高强钢药芯焊丝E101T1-K3C药芯焊丝

昆山京雷GFR-91CNG耐候钢药芯焊丝E91T1-GC耐候钢气保药芯焊丝

昆山京雷GFR-81W2耐热钢焊丝E81T1-W2C耐热钢焊丝

昆山京雷GFR-71W1药芯焊丝E71T1-GC耐候钢药芯气保焊丝

昆山京雷GFR-81NI2M低温钢药芯焊丝

昆山京雷GFR-81Ni1M低温钢药芯焊丝

昆山京雷GFR-81K2M低温钢药芯焊丝

昆山京雷GFR-91Ni2低温钢焊丝E91T1-Ni2C药芯焊丝

昆山京雷GFR-91K2SR低温钢药芯焊丝

昆山京雷GFR-91K2低温钢焊丝

昆山京雷GFR-81Ni2低温钢焊丝

昆山京雷GFR-81Ni1低温钢焊丝

昆山京雷GFR-81K2SR耐热钢药芯焊丝

昆山京雷GFR-81K2耐热钢药芯焊丝

昆山京雷GFR-91B3M耐热钢药芯焊丝E91T1-B3M耐热钢药芯焊丝-

昆山京雷GFR-81B2VM药芯焊丝E81T1-B2M耐热钢药芯焊丝

昆山京雷GFR-81B2M耐热钢药芯焊丝

昆山京雷GFR-81B6耐热钢药芯焊丝E81T1-B6C耐热钢药芯焊丝