Distribuidora Industrial Regiomontana, S.A. de C.V. - DIRSA

Risun Coking Group, established in 1995, whose headquarter is located in Advanced Business Park of Beijing, China. With thirteen-year’s development, Risun has already grown into a big independent coke and chemical producers and suppliers in PRC.

The today’s company group of Aaron Chemistry GmbH ( research & development, catalog quantities) and UnaveraChemLab GmbH ( scale up, multitons; GMP and non-GMP production) are for more than 30 years internationally active in the chemical industry