| Features: brand new high quality Made of high quality material, durable Steel Copper Aluminum Welding Tools Welding Flux Welding Rod Flux Cored Wire Repair of weld seam with Wuxi copper, aluminum and stainless steel welding wire 1. Good welding effect: the welding effect is full and smooth! With the help of internal powder. Low melting point, good fluidity, good hardness and toughness, good sealing. No need to use other flux powders 2. Direct use: any flux you really need can be used right out of the box! very convenient! Easy to solder. 3. Welding: fir st use sandpaper to polish the welding parts of brass and aluminum tubes (the paint, oxides, oil stains on the metal surface must be | |