[2] Most raw materials, such as sand, feldspar, sodium carbonate and dolomite, arrive by ship via the factory's pier from nearby sources.
[1] The rail spur from the Taean freight station located on the Korean State Railway's Taean Line,[3] enters the factory itself, and plate glass is loaded into railcars indoors.
The factory was originally located immediately adjacent to Sinnamp'o railway station, but this had been abandoned by 1971.
[5] In 2002 the decision was made to reopen the factory, and in 2010 the new plant was opened,[5] located on a site near the Namp'o Shipyard.
[5] The facility is served by the Korean State Railway via the Namp'ohang Branch of the P'yŏngnam Line.