Machine Shops in Vietnam - MFG- mfg xà phòng ,Vietnam TBI Manufacturing & Te... Hoang Mai District, Hanoi, Vietnam, Ha Noi Casting, Machining. Vietnam TBI Manufacturing & Technology Transfer JSC. , founded in 2007, has foundation from traditional casting village in Tong Xa, Nam Dinh province, has dramatically had its prestige and become one of leading foundries in Vietnam.