Shanghai controland Engineering Co. Ltd. (CLAND) is a rail traction motor application expert. Our ability and rich professional knowledge enable us to provide any overhaul and assembly services required, and the reliability of traction motor of railway and rail transportation is completely guaranteed. Our strict maintenance process enables us to repair any traction motor, regardless of the condition of the motor or its damage.

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The competitive advantage of SEI is our ability to respond quickly to customer needs and provide solutions for overhaul, manufacturing and remanufacturing for rail transit commuter railway traction equipment. SEI has professional knowledge and ability to do any need to check traction motors, linear induction motors, generators, and a complete auxiliary power plant that guarantees reliability for rail transit industry.

Eaton electric, UTEX Industrial Company, Germany KALLFASS Cole FASS three brand is the main agent of Ke Ruilan brand.