The Kundian Nuclear Complex-1 (KNC-1) is located adjacent to the CHASNUPP-1 and CHASNUPP-2 facilities. [1] The facility has been manufacturing fuel for the KANUPP reactor in Karachi since Canada halted its supply of heavy water and fuel to Pakistan in the late 1970s. [2] According to the International Atomic Energy Agency, the KNC-1 facility has a 20-ton capacity. [3]

Sources:
[1] David Albright and Paul Brannan, "Chashma Nuclear Site in Pakistan with Possible Reprocessing Plant," Institute for Science and International Security, 18 January 2007, www.isis-online.org; Central Intelligence Agency, "Pakistan's Nuclear Weapons Program: Personnel and Organizations," September 1999, www.foia.cia.gov.
[2] Global Fissile Material Report 2010, Chapter 10, International Panel on Fissile Materials, December 2010, www.fissilematerials.org; International Atomic Energy Agency, "Pakistan," IAEA Country Nuclear Profiles, 2009 Edition, http://pub.iaea.org.
[3] International Atomic Energy Agency, Country Nuclear Fuel Cycle Profiles, Second Edition, IAEA Technical Reports Series No. 425, 2005, pp. 63-65, www.iaea.org.