... )Three heating zones BGA Reworking Station 2)Special design for tongs,clamp for motherboard ... design for tongs, clamp notebook’s mainboard easilier.2,New style of Chinafix Tuyere adopts the design ... for reworking.For the PCB with more components on bottom, turning four corner’s mandril of tuyere can ... stage’s temperature lower properly.2, When welding, the four corners of tuyere bottom always can’t hold ...