tianchi cryogenic liquid nitrogen tank 3l supply yds storage container dewar food grade flask for ice cream

1.the liquid nitrogen tank is made of high-strength, special corrosion-resistant aluminum alloy. 2. light weight, excellent workmanship and good insulation of the liquid nitrogen container 3. high vacuum multi-layer insulation design. 4. the liquid nitrogen dewar can be numbered, easy to identify and independent access to samples. 5. the liquid nitrogen tank container has matching lock cover, in order to protect the safety of storage samples..syi