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Our online supporting time from 9:00 a.m to 5:30 p.m EST 6 days a week.We respond to emails 7 days a week, 24 hours a day.If you have any problems, please feel free to contact us. We will provide the best service for you.




 Email---One-to-one communication would benefit a quicker answer for emails you sent.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.


TELL: +1 803 814-4146

(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.)

If the phone can not be connected for the moment?


Factory and Customer Service Department:

Fuli Building, Gangbei Road, Baiyun District, Guangzhou, Guangdong Province, China

You can order online 24 hours a day. Also, it's open to customers all over the world, as long as DHL, EMS, USPS or FedEx can reach you. So wherever you are, you are welcomed to shop here at any time.

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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ddandmd – 27 Jun 2020

I want to buy "150mm 6.35mm Diameter 2mm Pitch Trapezoidal Lead Screw for Stepper Motor". Can you tell what is the number of starts on this lead screw? Is it Single start or Double start? Thank you.

Administrator : Dear Customer,

Thanks for your reply.
I have sent an email to you, please check it.

lhliu – 26 Jun 2020

MR zeng. I want to buy 6 sets of 23LS22-3004E-150G. YAC system Singapore Pte Ltd. We are in Singapore. When is lead time of the components? If we issue PO on next Monday (29 June),when can we receive them?
Thank You
LIu Lianhua (Mr)

Administrator : Dear Customer,

Really sorry for the late reply because of our Dragon Boat Festival.
I have sent an email to you, please check it.

sam.zeng – 26 Jul 2019

we want to buy 2500PCS 17HS19-2004S1 ,do you have it? btw,can you let me know your contact details for further discussion?

Administrator : Dear Customer,

Thanks for your reply.
I have sent an email to you, please check it.

President – 20 Jul 2019

Is the Step Angle before the gearbox or after?

Administrator : Dear Customer,

Thanks for your reply.
Could you please tell me what product do you mean?
Waiting for your reply.

miguel_villegaas – 29 Jun 2019

I want to know about the guarantee of this motor: Keyway Dual Shaft Nema 34 Stepper Motor 13Nm (1841oz.in) 5A 86x86x150mm

Administrator : Dear Customer,

Thanks for your reply.
We have 1 year quality warranty, please do not worry about.
Any further needs, please let me know.
Best regards.
Customer reviews Username: