Our company offers the chemical which has been customary to clean oily, greasy, and/or waxy residues from metal articles by a ultrasonic degreasing process. In a ultrasonic degreasing process, the metal articles, kept in basket of ultrasonic instrument. The basket is filled with water and degreasing chemical (10% per litre). Ultrasonic waves are passed through the metal articles. The waves passes through the surface of metal article and the oily, greasy, and/or waxy residues are removed from the surface of the metal articles. The contaminants are removed from the surface of the metal article to get the oil free surface of metal article.