Shanghai Toffon machinery equipment Co., Ltd. is located in Yangtze River Delta, Shanghai, which has flourishing development of science and technology and is honored as Oriental Pearl of China.
Vacuum freeze drying is a process that removes water and/or solvent from substan..
The Spain international chemical exhibition (EXPOQUIMIA) is held every three yea..
Freeze-dried foods need to be after-treated to avoid to be oxidized because of l..
The general pretreatment process is as f..