... FD production lines which represents the latest technology in the 21st century ,1 IQF production line,3 AD production lines, 13 ... the title of Jiangsu Famous Brands. Freeze-dried foods are made of fresh foods through quick freezing,and dehydration in vacuum chamber ... solid to gas,and the material becomes dehydrated.Freeze-dried foods can keep their original colour,smell,taste,shape and ingredients ...