Shebekinskaya industrialnaya khimiya, LLC (Russia) has done series of trials at the Russian tannery on production of nappa full and corrected grain. 3 variants of nappa for milling were made in the experimental shop on a base of chemicals of Cromogenia-Units (Spain) and Shebekinskaya industrialnaya khimiya, LLC (Russia) production. There were the following chemicals of the Russian production: Evrosintan RSN-40V, SMH-KT, SN-30. The articles of nappa full and corrected grain were further finished with the use of Pielcolor chemicals. All articles of nappa are sent to customers for testing.