China National Salt Industry Corporation (formerly known as China Salt Industry Company) was founded in 1950, and is now a large state-owned enterprise managed by the State Council SASAC. Its subsidiary, Zhongyan Import and Export Co., Ltd., was established in July 2000, mainly engaged in the import and export trade of salt and salt chemical products, and is the window of China National Salt Group's foreign import and export trade. China Tobacco Import and Export Co., Ltd. has passed the ISO900 1 quality system certification and is qualified as a professional foreign trade company.