The main functions of JFYTJ-350A regular model include automatic cutting of specification plates, automatic double-sided chamfering, flat slotting (drawing), stove top, and square basin holes. The JFYTJ-350B imitation model mainly features automatic cutting of specification plates, automatic double-sided chamfering, flat slotting (drawing), stove top, square basin holes, and line imitation. The JFYTJ-350C upgraded model mainly features automatic cutting of specification plates, automatic four sided chamfering, flat slotting (drawing), stove top, square basin holes, and line copying (optional).