Henan Luoran Co., Ltd is situated in one of first ten charming cities, Luoyang. It is the largest manufacturing base of dye intermediate, 2,4-Dinitrochlorobenzene in China. It has Shanghai Dipu Chemical Co., Ltd., Shandong Weifang Subsidiary Company, Shouguang Xinghai Chemical Co.,Ltd., Lianyungang Dipu chemical Co., Ltd. and other branches. The company has been appraised successively as Henan High and New Technology Enterprise and the National Excellent Private Chemical Enterprise.

The company's main products are 2,4-Dinitrochlorobenzene, 6-Bromo-2,4-Dinitroaniline,6-chloro-2,4-Dinitroaniline, Sulphur Black,2-Amino-4-Nitrophenol, 2,4-Dintrophenol (Sodium Salt), 2,4-Dinitroaniline, and so on.

In 2002, the company was invited as the main drafter for amending national quality standards for three kinds of products: 2,4-Dinitrochlorobenzene, 6-Bromo-2,4-Dinitroaniline and 6-chloro-2,4-Dinitroaniline, and gained a great reputation in the same trade