★High agility: it is convenient for TB680LF to control every soldering technical parameter and a high quality could be therefore ensured.★Digital display of soldering-tin temperature. ★High reliability:high temperature sintering heating element. Steady and reliable performance.★Widely used:TB680LF can replace brand iron soldering and on middle-little batch manufacture , It can satisfy every require of soldering production.★High efficiency: Productivity would be advanced furthest.★Reasonable price, long life★Small bulk , small power consumption: It meets the requirements for the production in the laboratory and factory.