Shipping and delivery
We are proud to offer international shipping services that currently operate in over 200 countries and islands worldwide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
How do you ship packages?
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Do you ship worldwide?
Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.
What about customs?
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
How long does shipping take?
Shipping time varies by location. These are our estimates:
| Location |
*Estimated Shipping Time |
| United States |
10-30 Business days |
| Canada, Europe |
10-30 Business days |
| Australia, New Zealand |
10-30 Business days |
| Central & South America |
15-30 Business days |
| Asia |
10-20 Business days |
| Africa |
15-45 Business days |
*This doesn’t include our 2-5 day processing time.
Do you provide tracking information?
Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.
My tracking says "no information available at the moment".
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.
Will my items be sent in one package?
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you have specified combined shipping.
If you have any other questions, please contact us and we will do our best to help you out.
Refunds & returns policy
Order cancellation
All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.
Refunds
Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:
- You do not receive them within the guaranteed time (45 days not including 2-5 day processing)
- You receive the wrong item
- You do not want the product you have received (but you must return the item at your expense and the item must be unused)
We do not issue the refund if:
- Your order does not arrive due to factors within your control (e.g. providing the wrong shipping address)
- Your order does not arrive due to exceptional circumstances outside our control (e.g. not cleared by customs, delayed by a natural disaster)
- Other exceptional circumstances outside the control of tech.diydynamic.com
*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on page.
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
Exchanges
If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.
Please do not send your purchase back to us unless we authorise you to do so.
м***ч –
Shipping a week earlier. thank you Seller. recommend.
Z***h –
Everything is as described, was needed to start the control of the electric motor.
П***м –
Delivery is now nimble) Well packed, product description, which is not unimportant, the generator is working and 2% fit in your tolerances (see buyer’s picture below) Thank the seller, more buyers. Well, we have a normal product. P. C. To whom it seems that on the screen scratches remove the protective film to begin 🙂
zahidislam2000@gmail.com –
Thank you for your detailed feedback and kind words! We’re glad you’re satisfied with the product’s performance. Remember to remove the protective film for a clearer screen experience.
И***ч –
Good product, fast delivery. Satisfied with everything. I recommend the seller.
А***ч –
Works as stated. I recommend it. Packed in popper, high-quality soldering.
U***r –
Ordered on July 30-received on August 13. The parcel on the way to Kiev is only 12 days. Great! Thank you seller!!!
B***t –
Good seller, good items. Thanks a lot. All the best.
С***ч –
Convenient generator with a wide range of frequencies and output voltage.
Б***ч –
Fast delivery, well packed, everything works and looks in excellent condition.
Х***ч –
Suddenly turned out to be small, even the film is on the screen, it is also controlled from the port. Walked as usual.
A***e –
I order Shima from this seller for the second time. Delivery in 15 days. They differ from all others in that there are original microcircuits, the display indicates the frequency rating in Hertz or kilohertz. Thank you!
К***а –
It’s good
Б***ч –
All OK. It’s as described. Useful generator. Thanks to the seller.
А***ч –
The soldering is of high quality. Looks good. Thank you.
Customer –
Works great
Б***ч –
Useful toy for their own purposes. Adapted a little, placed in the case.
f***r –
Cool generator, used to be soldering on ne555, and this is the frequency is easy to change and mean-convenient, thanks to the seller, thanks AliExpress
И***ч –
Error in the description. The generator is only working up to 150 kHz.
zahidislam2000@gmail.com –
We regret the error in the description. The module’s frequency range is indeed up to 150kHz. Thank you for bringing this to our attention.
П***ч –
The product is not as described. Maximum frequency 150 kHz instead of the declared 240 kHz
zahidislam2000@gmail.com –
We apologize for the discrepancy in frequency range. Please contact us for further assistance or a resolution.
И***ч –
Great product!