... Advantages 1. Stainless steel body, double-balloon, laser silica gel hot plate, and built-in cooling system. 2.Up and bottom ... C0,about 3mins,temperature error (on 2100mm Up and bottom hot plate ) is less than 3C0. 3.Balloon compression ---0-6.0kg ... , automatic cut off power. 5. Two suitable stainless steel pressure hot plates, girders is durable and no deformation. 6. Splicing width ...