We are Henan Changge Sanrong Electric Appliance Co.,Ltd based in Xuchang, China. We are member of TradeKey.com since November, 2012. Our business is related to Hardware & Mechanical Parts industry and we specifically deal in stator,rotor,motor. Please find our product details below:motor rotor coresmotor stator and rotor core :1. material: silicon steel2. model: 50mm3. process: stamping/punching4. function: used in stepper motor5. Good quality and competitive price.6. by high-speedThank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.