... station R390 , 2011 new , hot air bga machine; three temperature bga machine For Lead-free rework specially, 2011 new product :BGA ... process of PCB can comprehensively preheating,3. The machine has the computer communication function, the built-in PC serial port, external temperature ... flow rapid cooling fan, guarantee the principle in PCB welding process, won't be out of shape.6. Desoldering and ...