Kuan Dian town mineral is abound in natural resources , the potential developing is enormous, the mineral resources already ascertaining that has 57 kinds, above exploiting 28 800 million tons of species , reserves making use of in course of. The esource reserves make an appointment with borons among them in 30 million tons , may develop making use of amounts in 15 million tons, the amounts boron reserves and the year are exploited are accounted for 40% and 60% of the whole nation.....>>>>