Totally lead-free design. Japan-madePLCcontrol Synchronous insert-plate structure; Japan-made conveyor power equipped (Panasonic motor). External arc-shaped streamline design with double glass doors; Convenient to be cleaned and maintained. Rail width manual adjusted; Additional curtain for preventing pollution of spraying. Spraying system with, Japan-made high efficient spraying parts; Japan-made spray nozzle; and bar-free cylinder. Preheated by high efficient far infrared ceramics pipe; Enough heating power and high stability. Cesium lamp compensation after preheating, which insure the minimal temperature fall before PCB is put into the tin furnace. Low oxidation; Anti-erosion alloyed tin furnace; Latest design of spraying nozzle; Adjustable flowing rate and thickness. High temperature tin furnace motor imported from Italy; Stepless variable speed; independent controlling. External casting heating board of the tin furnace with high efficiency. Acoustic and optical warning and emergency brake system. Automatic turning on at the time and date programmed by the operator. Automatic paw washing equipment.Option: 450mm conveyor rail width PCB center support