There are many manufacturers of low-temperature cryogenic storage equipment in China. The Orion Technology Dewar is currently cost-effective in terms of quality and price. You can consider the needs of users in the near future. There are 6 kinds of AUYAN Technology Dewar bottles: 175L, 195L, 210L. 410L, 450L, 499L Our company's Dewar filling factor is 0.92, corresponding to the net volume of each specification is 161L, 179L, 193L, 377L, 414L, 459L, LNG density is calculated as 0.42kg / L, the filling weight is 67kg, 75kg, 81kg, 158kg, 173kg, 192kg. . . Hope it helps you.