1. Smooth Stainless steel body. 2. 8mm thickness working plate(Half Grooved). 3. Special designed heating tube bears a longer service life. 4. Separating control box,automatic temperature controlling system, keeps food at a certain temperature by setting. 5.Ceramic terminal for wire connection 6.Rubber feet 7.Easy to take down,quickly spare parts changed 8.Equipotential terminal 9.Thermoplastics pipes protect wire connection