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The choice of manual copper wire butt welding machine is determined based on the common copper specifications and actual frequency of use of wire and cable companies, wire drawing, and non-ferrous metal manufacturers. Generally, the butt is before and during wire drawing, and wire drawing is to pull the whole circle and the whole roll. The frequency of needing to connect is not high, and the specifications are mostly 1~8mm in diameter, so mostManual butt welding machineThat's enough. High-power pneumatic butt welding machines are used only for large copper rods with a diameter of 13mm or more.