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Questions or Concerns? Hit us up with any questions about your order.
Our Customer service team is ready to assist you.
Working Hours:Monday – Friday: 9:30 a.m. to 5:30 p.m. (UTC+8);

E-mail:
Oyostepper.com@gmail.com
You can send an email to oyostepper.com@gmail.com. regarding what you need, which will be replied within 12 hours, 48 hours on weekends.
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TELL: +86-023-68438829
(If the phone can get through, but no one answers it. In this case, our customer service may not be online.You can leave us a message and we will contact you soon once we recieve your message.)

Customer Service Department:
No.27-2, 3rd Building, Neo-China Top City, No.1 Aoti Road, Yuanjiagang, Jiulongpo District, Chongqing, China
NOTE: Once you ship returned goods, please note the returned item must be with original packing. Customer center will offer you shipping address, so contact customer service first.
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Amul – 03 Jul 2026

Helllo
Wanted to order E39D40044004-0509
Please tell approximate shipping time to india and united sates
Also please tell if it can be possible to buy 1 pc. Thank you
Dear Customer,
Thanks for your message.
I have sent an email to you, would you please check it?
Thank you.
Ron – 22 Jun 2026

We need Model: E39D40044004-0509 just nema 17 and dual shaft so we can add optical encoder on the back side.
Thanks,
Ron
EID, Corp.
Thanks for your message.
I have sent an email to you, would you please check it?
Thank you.
masoudsadr – 04 Jun 2026

Hello, can have the step file and torque and technical data sheet for this motor with gearbox. Nema 17 Stepper Motor L=39mm 39Ncm 0.036 deg 1.68A 2.7V with 50:1 Planetary Gearbox,
thx
max
Thanks for your message.
I have sent an email to you, would you please check it?
Thank you.
brooks Barnes – 29 May 2026

so, does this step motor have position feed back? i need to rotate thr output shaft 0-10-20-30-40and 50 degrees for transmission shift lever rod position on the 727 transmission and need to know where the shaft is in rotation..
Thanks for your message.
Would you please provide me with the link to the item you are referring to?
Topalli – 14 May 2026

550W/750W Mini Lathe Motor 6000rpm For CJ0618 WM210V CD210V Lathe
There is a Clockwise arrow on this. Does this motor run in both directions ?
Thanks for your message.
The motor needs to be used with a control board and a selector switch to rotate in both directions.
Thank you.





