The crystallizing boiler of the company is applicable for pharmacy, biological engineering, fine chemistry industry and chemosynthesis industry and the material adopts SUS 304, SUS 321 or SUS 316L. The container is installed sleeve, whose structure forms are standard sleeve, outer-coil sleeve and inner-coil sleeve for the consumers’ selections. The product can be heated and cooled and the completely close design ensures that materials are always under the aseptic condition. The holed quantity, specification and other requirements can be designed and manufactured as per consumers’ requirements.