... display, large power, heat up rapidly and precision and stability temperature.2, adjustable air flow and a large amount of gentle wind, it ... CHIP, QFP, PLCC, BGA, etc. (especially welding mobile phone cable and cable jacket). 2, it is used to weld the shrinking ... ,drying, paint exception, viscosity exception, warm-up, plastic and so on.model 852D+air spear type LED microcomputer ...