PCB Prototype the Easy Way

Full feature custom PCB prototype service.

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Service hotlines
+86 571 8531 7532

9:00 - 18:00, Mon.- Fri. (GMT+8)

9:00 - 12:00, Sat. (GMT+8)

(Except Chinese public holidays)

How can we help?

Why cannot I use my coupon?

Sometimes, it looks like no coupons are available. In this case, you can check the following:

1. Is your coupon still valid? You can find out by going to My Coupons.  

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coupon anymore. 

2. Are you meeting the minimum spending requirements?
For example, if a coupon is only valid for orders over US $100, but the total order value is only $80, you can’t use the coupon. 

3. Have you checked the coupon terms?
Some coupons are only valid on our pcb assembly or can be used for specific items only. 


4.Check whether you bought an item from on Russian-language or Spanish-language websites.


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