The company Shebekinskaya industrialnaya khimiya, LLC (Russia) at one of the tanneries conducted positive trials of the recipes of soaking-liming-tanning processes with the chemicals of Shebekinskaya industrialnaya khimiya, LLC (Russia) and Cromogenia-Units S.A. (Spain). Multipurpose enzyme agents were used in the recipes: "Fermentol-23" and "Humectol Rapid". The company's specialists noted that the use of these chemicals allows for more efficient processes for obtaining wet-blue. As a result of the trials, production wet-blue was obtained that meets the quality requirements. In the process of cooperation plans are outlined for further technological programs for this tannery in the nearest future.