Application: Afford the liquid constant temperature cold source for the low temperature-constanttemperature test and lead external system into the closed-recirculationsystem.Features: 1. Vertical structure, cover a small area.2. Convenient to operate, reliable to run.3. Both afford constant temperature cold source and take constant temperature testin cryostat.4. Hermetically sealed refrigerating compressor unit, air-cooled type.border=0> producing area:China