adjust screw
7.Temperature kits : contact must be properly fixed in the evaporator export pipelines, real-time communication evaporator components to temperature degrees, the material will be filled through interlinked capillary pressure due to the expansion of corrugated boxes; swelling corrugated boxes on the pressure for change in the thrust pole with an adjustment screw and spring-loaded ball-type valves to adjust the resistance of the degrees of refrigeration volume precision adjustments.

