Super Dragon Abrasive (SDA) was founded in 1998 in Changzhou, China. We provide products and advice to help clients all over the world through sanding, grinding and cutting projects. We highly focus on QUALITY,INNOVATION and SERVICES As a manufacturer for more than a decade, our core values is the ability to provide market specific solutions utilizing our key areas of expertise and to manufacture innovative abrasive systems to the highest quality and performance standards in order to produce ...