Hello !Here is a rotor factory from China. We are a professional factory making rotor that be used for power tools like Grinder , Hand Drill , Cutting Machine and so on . We have provided OEM parts to the customers which in the countries such as Russia and Colombia already for 6 years . From us , you can purchase the rotor at a low price . For more information, please view our website. If you have the intention of cooperation , welcome to contact us ! We can custom the rotor that you need .