Soviet Union: The Soviet Union was the primary supplier of weapons, ammunition, and military equipment to North Vietnam. These supplies included fighter jets, tanks, artillery, surface-to-air missiles, and other military hardware. The Soviet Union also provided training and advisory support to North Vietnamese forces.
China: China also provided significant military aid to North Vietnam. China supplied infantry weapons, artillery, ammunition, and other equipment. Chinese engineers and construction workers also helped build infrastructure in North Vietnam, such as roads, bridges, and airfields.
Other Communist Countries: Other communist countries that provided support to North Vietnam included North Korea, Cuba, and Eastern European countries such as Poland, Czechoslovakia, and Hungary. These countries supplied weapons, military equipment, and training to North Vietnam.
International Organizations: Some international organizations also provided support to North Vietnam, such as the National Liberation Front (NLF) of South Vietnam and the Pathet Lao of Laos. These organizations often received support from communist countries and used it to supply North Vietnam with weapons and other resources.
In addition to these external sources of support, North Vietnam also developed its own domestic arms industry to produce weapons and ammunition. However, the country relied heavily on foreign aid for the vast majority of its military supplies during the war.