Time: October 5-8 (lunar September 7-10)

Place: Duc Thang Commune, Hiep Hoa District, Bac Giang Province

Feature:  On lunar September 7 every year, the villagers hold the festival to express their gratitude to Khong Minh Khong, who was considered the founder of bronze-and-iron making crafts. Participating in the festival are many bronze and iron craftmen nationwide.

During the festival, the villagers hold a procession of Statue Khong Minh Khong from the temple to Thai Bac Hall, where many other traditional worshiping and offering rites are held. The festival includes many games and exhibitions on bronze and iron products. Three days later, another festival is held in the communal house with the troop-feasting ceremony, running race, folk games, etc.