Dcs-centers.com is an automation and control company specializing in dc transmission products of Siemens and an elite business team of aotewell. Has been committed to dc products, dc speed regulation, dc products have a very large application, used in the factory steel, stabbing machine, stay car, shield machine, tram, high-speed rail, dc products are very large lift acceleration force, is the ac speed regulation products can not be replaced. Control current range from 2A to 5000A.