Japan's Seiko SPT nozzle series is produced by Japan's Seiko Electronics Group. Seiko first became a household name around the world in the production of precision watches. Now it has considerable strength and foundation in the production of packaged piezoelectric nozzles, and its stability is excellent. Just like the Seiko watches it produces, they are of outstanding quality. The SPT nozzle is finally designed by combining the performance advantages of all previous nozzles. While focusing on the previous advantages, it is also mainly reflected in