Complex sentence: Kuznechnoye (;) is an urban-type settlement on Karelian Isthmus in the northern part of Priozersky District, Leningrad Oblast, which developed around a large granite quarry and processing plant (now belonging to JSC "Granit-Kuznechnoye").
Split into simpler sentences: Kuznechnoye (;) is an urban locality (an urban-type settlement) in the northern part of Priozersky District of Leningrad Oblast, located on the Karelian Isthmus. Kuznechnoye developed around a large granite quarry and processing plant (now belonging to JSC "Granit-Kuznechnoye").