Body linear design, spray process, beautiful and elegant, durable Two separate 1.2m preheating zones, infrared preheating, make the PCB board get good welding results The newly invented ultra-stable and ultra-high filter source generator greatly reduces the oscillation of tin flow left inside.Smooth tin wave, large reduction of oxidation, simple maintenance Precision modular design of transmission mechanism, accurate transmission, long life and easy maintenance Auto switch can be made according to the date, time and temperature control parameters set by the user Closed-loop auto-tracking spray system with automatic adjustment of spray width and spray time and setting of advance and delay sprays as needed Automatic wave starting through plate, adjustable tin furnace peak width, minimize tin oxidation