Liquid Nitrogen Cryogenic Container, Stainless Steel Tank, Nitrogen Gun manufacturer / supplier in China, offering Low Temperature Frozen Liquid Nitrogen Tank Container of Storage Animal Semen 15L Yds, Large-Capacity Low-Temperature Storage Liquid Nitrogen Tanks of 15L, 20L, 30L and 35L, Liquid Nitrogen Dewar Containers: 5L, 20L, 30L, 35L and so on.