Tianzhen Tonghang Grain Trade Co., Ltd. was established in August 2006, is a small grain base planting, processing, storage, sales, import and export as one of the private enterprises. The company transformed and developed from 2012, and began to try the export business of coarse grains, earning 290,000 US dollars that year, digging back the first bucket of US dollars for our county, making our county's export foreign exchange earnings from zero to zero breakthrough, and then export foreign exchange earnings rose year after year, and the annual export foreign exchange earnings of more than 3 million US dollars, is the first coarse grains enterprise in Datong City, and is also the leading enterprise in Shanxi Province.