Сonstruction sites. Petrozavodskmash (part of Rosatom) has started shipping pipe assemblies of the main circulation pipeline for the Tianwan NPP Unit 7. Pipe assemblies are both straight sections of the pipeline and connections of straight pipes with curved elbows. During the procedure, the pipe assembly is equipped with the necessary pipes and fittings. Rosatom is constructing units 7 and 8 of the Tianwan NPP. Previously, it took part in the construction of units 3 and 4, and also built units 1 and 2 of this station.