North Korea's defense industry predates the Korean War, but has emerged as a supplier to the North Korean armed forces beginning in the 1970s, but more so after the fall of the Soviet Union and to supplement those purchased from China. Most equipment are a copies of Soviet and Chinese built military hardware.
Tanks and Arms
First Machine Industry Bureau - supplier of machine guns, likely Type 62 Light Machine Gun and Type 73 Light Machine Gun
Ryu Kyong-su Tank Factory - Sinhung South Hamgyong Province
Second Machine Industry Bureau - Sŏngch'ŏn-kun, South Pyongan Province - builds Chonma-ho and Pokpung-ho MBT; likely Chuch'e-Po and Koksan artillery gun
Tokhyon Munitions Plant
Naval
Bong Dao Bo Shipyards, Singpo - located on the mainland across from Mayang-Do Island Naval base - built Sang-O class submarines
Mayang-do Naval Shipyards, Mayang-do Island in northeast coast - maintenance facility with graving dock; has built some ships for the navy (12 Romeo class submarines)
Najin Shipyards - Kowan-Class submarine rescue ship, Soho class frigates and Najin class frigates
Nampho Shipyards - located on west coast and builds small- and medium-size submarines (Sang-O and Yugo?)
Wonsan Shipyards - located on east coast and builds small- and medium-size submarines (Sang-O and Yugo?)
Yukdaeso-ri Shipyards - located on west coast and has built midget submarines (Yugo class submarines or Yono class submarines) since the 1960s
Aircraft
There are no indigenous aircraft built in North Korea, factories supply components or parts to aircraft flown.
Ch’onjin - small factory used to build spare parts and rebuilt aircraft for the Air Force
Kusong - reported facility producing spare aircraft
Pyonghyon - reported facility producing spare aircraft
Tokhyon - used to build spare parts and rebuilt aircraft for the Air Force
Seventh Machine Industry Bureau in Panghyon was built 1986 and has aircraft parts factory and rumors have the plant producing two fighter aircraft.
