Design pressure 0.3 Mpa; body material: 316L stainless steel, jacket 304 stainless steel; with special sampling valve for fermentation tank, bottom discharge valve, with side large viewing angle mirror, 12V safety Philips lighting, with temperature, pH, DO , Defoaming port, acid and alkali replenishment port, inoculation port, replenishment port, air inlet, exhaust port, seed