Shi Baodong, 90, from East China's Jiangsu province, fought in the counter-Japanese war for five years and took part in the Gaoyou Campaign, China's last battle against Japanese invaders. [Photo by Zhao Yinan/China Daily]

President Xi Jinping presents commemorative medals to 30 veterans for their contribution to China's victory against Japanese aggression on Wednesday morning, one day before the Victory Parade marking the 70th anniversary of the end of World War II.

Guo Weimin, deputy director of State Council Information Office, provided details about the five categories of veterans being honored. They include:

Veterans who served in the Communist Party of China's (CPC's) counter-Japanese forces, including the Eighth Route Army, New Fourth Army, Northeast China Counter-Japanese United Forces and South China Guerrillas .

Personnel who worked in underground organizations and governments led by the CPC during the war against Japanese invasion.

Veterans who returned home as peasants or joined CPC revolutionary activities after fighting with the Kuomintang (KMT).

Patriotic personages who contributed to the victory in the war, commanders of anti-Japanese forces or their surviving dependents.

Foreigners who contributed to the victory.