Nguyen Hoang currently 50% owner of the largest quarries in Quy Nhon, permit No. 45 / GP-Committee by the People’s Committee of Binh Dinh Province June 1, 2011. termed Quarry exploitation license 23 year and mining capacity is 48,000 m3 licensed / year, with a total mining area of 7ha wide, according to the survey estimated reserves of over 11 million m3. Currently the company has conducted investment and start grinding stone supplier for all projects key traffic works locally as National Road 1, QL 1D, Highway 19 … and some estate projects other real Vingroup, FLC is implemented in Binh Dinh.