Advanced Sealing International believes in engineered mechanical sealing solutions specified to each customer's application to ensure the best possible performance. We don't just fit a seal to your pump, we fit our seal to your application. ASI manufactures its mechanical seal line using our own proprietary designs, the tightest tolerances in the industry, and the finest materials of construction. The primary goal at ASI is to exceed our customer's expectations with advanced technology, flawless quality and incomparable service.