A century of quality and excellence

San Jung is a world leading manufacturer of premium glass technology products. Founded in 1947, San Jung distributes to more than 50 countries across 4 continents. As a manufacturer, we deal exclusively with distributors, if you are interested in retail sales, we would be pleased to direct you to our local distribution partner. We are headquartered in Taiwan with operations in the US, China, and Europe. We also represent Mitsuboshi Diamond Industrial Co., a worldwide leader in diamond tipped glass cutters. Leponitt is our signature brand of quality glass tools which can be found in the hands of some of the world’s the best glass professionals and artists.