Sinbad has several engineers with more than 20 years of experience in hollow-core motors. Sinbad has several engineers with more than 20 years of experience in Coreless DC motors. Our engineers have just purchased two new products and they have been purchased by Italian customers. The details are as follows, we are in the motor itself, Added encoder. Brakes and gearboxes, This provides a lot of help for the customer, for example the encoder can control the speed and steering. The gearbox can reduce the speed to increase the torque and the brake can brake.