If there is Chinese Manufacturer, then do not provide any datasheet or detail about Motor.
Even you purchase the motor from them they will not tell you any thing about motor.
It is my experience.
We just found your message on this forum. We are the manufacturer of this motor P/N 200A0044. Please let us know if there is still interest from your side.
Please find attached the data sheet + outline drawing of this motor. To go further with your inquiry, we would need to fully understand your application to make sure that this motor would work well properly in this application.
Also for your information, we do not produce standard motors. We make custom designs that meet precisely customer's requirements. In particular, this motor was designed for a very specific application.