Tongling Chemical Industry Group Co., Ltd. is located in the Yangtze River bridge near mining, the picturesque southern Anhui province, is one to sulfur in association with copper, gold, silver, iron, lead, zinc and other metals of large chemical mining, has been proved geological reserves of 170 million tons, of which 87.11 million tons pyrite ore volume, volume of 24 million tons of iron ore, copper metal content of 500,000 tons, lead and zinc metal content of 40,000 tons, as well as hundreds of tons of gold the amount of silver metal. Is the state "15" plan, one of the country two key pyrite.