Hunan LvHeng Chemical Industry Co., Ltd was founded in September 2007, registered capital of 5 million yuan, the company is located in the Golden Dragon Industrial Zone of Hengshan, The railway, highway and waterway is convenient; The company covers an area of 33, 300 square meters, total investment of 96, 000, 000 yuan, annual output value of achieving 4 million, profits and taxes on 10 million yuan, employment up to 200 people; Company uses resources recycling, turning waste into wealth, set in one industry and trade, science and technology-oriented, advanced processes to protect, to produce the best products, annual output of 50, 000 tons of zinc sulfate, zinc oxide 20, 000 tons and other sources of zinc products, products have been sold abroad, the largest zinc source base for animals and plants in Asia will be fighted in five years.