Profile: A S L, Inc. is a manufacturer of pneumatic tool lubricators. Our products include pressure-feed and constant-feed pneumatic tool lubricator, automatic airtool lubricator and air tool work station. Our air equipment reduces the danger of fire hazard in industries. Our constant-feed lubricator is designed to work with heavy oils to provide continuous lubrication for mining and construction tools under heavy stress. Our pressure feed lubricator is designed to work with heavy stress conditions and climates.