In 2010, China’s economy started well, foreign trade accelerated, domestic industrial production grew rapidly, consumption increased rapidly, growth in fixed asset investment fell, consumer prices remained stable, and monetary and credit regulation had achieved initial success, and
The main tungsten mineral of a scheelite deposit is scheelite, containing a small amount of black tungsten ore and very few sulfide minerals. The content of high calcium gangue fluorite and calcite in the original ore is extremely high, which has a certain influence on the flotation recovery of tun