VSI has the unique ability to take our standard Modular Assembly Components and put them into assembly systems and still maintain complete expertise on the system. VSI Automation Assembly - Auburn Hills, MI We, at VSI Automation Assembly, a division of Nitto Seiko Co., LTD., have over half a century of corporate experience in assembly automation. We are a manufacturer of trademarked products such as 560 robots and SpinnomaticTM orbital forming equipment, with worldwide recognition for excellence. These products, together with our expertise in self-feeding screwdrivers, transfer lines, work cells and dial index systems provide us with a complete portfolio of automation technology for you.