The San diu have a population of about 95,000 people inhabiting
in the midlands of Quang Ninh, Hai Hung, Ha Bac, Vinh Phu. Bac
Thai and Tuyen Quang provinces. They have other names such as
San Deo, Trai, Trai Dat and Man quan coc (Man in shorts). San
diu language belongs tn the Han Group. The San diu engage in
farming either in submerged fields and on a part of burnt-over
land or river banks. They also practice animal husbandry, forest
exploitation, fishing, fish-raising, tile-and brick-making,
blacksmithing and For a time immemorial, the San diu
manufactured the nowheel quet cart drawn by a buffalo to
transport goods. The way of carrying goods by pole uses only
when they go to the market. The San diu's daily meals include
steamed rice and poridge. They use weak poridge as The San diu
have gradually adopted the Kinh's wear. It is San diu women's
habit to chew betel and always bring with them a segment-shaped
cloth bag to contain betel and a small knife to open areca. The
bag is embroidered with many colorful