North Korea has restarted construction at a new import disinfection complex near the Chinese border, according to NK Pro analysis of satellite imagery, in a move that may signal Pyongyang is preparing to resume large-scale trade with China. 

The new activity included reinforcements made along the complex’s security perimeter and new construction inside the main disinfection zone, in addition to new construction at a plane storage facility at the site.

NK Pro revealed exclusive details of the Uiju military-civilian airport’s transformation into an import disinfection center from February to April this year, but