ASA has more than 10 years experience of constant improvement in the manufacture of oil seals. We are expert in tool design and production and welcome R&D projects. All aspects of oil seal manufacturing from inspection of materials, testing of samples, compression molding through packaging are done in-house. We follow the quality control standards as per our ISO certification, but will meet your higher standard of a 100% inspection. It is our goal to protect you and your customer with the highest quality possible, so that we might maintain a long term relationship.