ROKOSAN ltd. has been producing liquid and loose organic fertilizers for over 25 years. As the owners of the company we also own patents for the technological processing of the feathers and hooves and horns into the form organic fertilizers, which are distributed under the trademark ROKOHUMIN, ROKOLAN and ROKOAKTIV. Our products are certified for use in organic agricultural production as organic fertilizers.We have utility models and we have been granted a national patent in the US, Russian Federation and the PRC.