... very quickly. 3.Fast delivery. 4.Fast increasing speed CXG933 Free-lead Soldering StationProduct Feature:1.The new design, smart ... with 24V outpur exothermic material, can protect the sensitivity element & worker safety.3.The fast increasing speed ,is heating 300 °C ... less than 13s,,reback temperature is quickly,adapt to high-efficiency weldering ,keep the ...