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铜焊丝|北京金鹰五矿焊接材料有限公司|Copper & Copper Alloy Welding Rods | Flux Coated Brazing Rods
GEMwasfoundedin1956.ThemainproductsareCopper&CopperAlloyWeldingRods·FluxCoatedBrazingRod·AluminiumAlloyWeldingRods·NickelAlloyCoatedElectrodes.TIG/MIG
