Specification:1) Vacuum tubes: ?7 x 1,500mm, ?8 x 1,800mm, ?0 x 2,100mm2) Vacuum tube size: 15, 16, 18, 20, 24, 26, 28, 30, 363) Automatic controlling system with advanced science and technology4) The hot water system fitting for families and work units5) The effect of temperature preservation can last 72 hoursPacking:Carton producing area:China payment:T/T, L/C at sight