Last update 08:14 | 02/08/2017
VietNamNet Bridge – The northern province has favorable natural conditions to develop the use of artificial sand as natural sand resources in the locality are becoming limited.
There are only five areas where sand exploitation is allowed. These include three licenses for exploiting sand and gravel for normal construction and two licenses for exploiting sea sand to use as materials for leveling the ground, with total licensed area of 65.6 hectares and designed exploitation capacity of 210,000 cubic meters per annum. Tiếp tục đọc “Quang Ninh considers using artificial sand as building material”
CVD 