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    Feilining Cryogenic
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      Devoted to the research and project development of cryogenic technology, Feilining Cryogenic Co., Ltd has developed some products which can applied in environmental protection, chemical industry, architecture, medical industry, clothes and so on. “Rubber cryogenic powder-producing apparatus”, its major product, adopts the refrigeration principle of aviation air circulation turbo-expander and uses air as refrigerant in place of liquid nitrogen for producing gelatine powder. Compared with liquid nitrogen refrigerating apparatus of the same kind, this kind of powder-producing apparatus can save one third of the capital to be invested.