Shanxi Linfen Dyeing Chemicals (Group) Co., Ltd. was founded in 1960 and became a limited liability company in 1997. At present, Shanxi Linfen Dyeing Chemicals (Group) Co., Ltd. is the executive director unit of China Dyestuff Association, one of top-500 chemical enterprises of China and one of top-20 dyeing chemical enterprises of China. We got the certificate of ISO9001 quality system in 1999.There are more than 30 varieties including sulphur black series, vat pink R series, pharmaceutical intermediate phenylhydantoin, dye intermediate, etc. The annual output of sulphur balck is 40,000 tons. The output of vat pink R ranks the first in the world, and phenylhydantoin ranks the first in China.