Production of civilian products including ammonia, as well as chlorine-based pesticides, probably DDT, chlordane, among others; possible production of CW agents including blister agents, choking agents, nerve agents, and riot-control agents.

Sources:
[1] Kim Wŏn Pong, director of the Northeast Asia Research Institute (北東亞問題硏究所) in Japan, alleges that this facility produces CW agents. However, there is no open source information to substantiate these claims.
[2] Kim Wŏn Pong, Kitachosenjimingun no zenbo (Tokyo: Ariadone Kikaku, 1996), p. 127;
[3] Kim Won-pong, Kitachosen jinmingun no zensho [sic] (Tokyo: Ariadone Kikaku, 1996), p. 127, in "DPRK Factories Suspected of Producing Chemical Agents," FBIS Document ID:KPP20010216000106;
[4] Osamu Eya, Kimu Jon Iru Daizukan (Tokyo: Shogakkan, 2000), pp. 64-65;
[5] Osamu Eya, Kimu Jon Iru Daizukan (Tokyo: Shogakkan, 2000), pp. 64-65, in "Alleged Locations of DPRK Nuclear, Biological, Chemical Warfare Facilities Mapped," 6 June 2001, FBIS Document ID: KPP20010606000075.