Customer service support:

For more technical support, new product requests, and questions about our products, please also visit our wiki and Forum for it.

Technical Support Note:
  • We provide limited technical support, available documents can be found on our wiki page.
  • Some items will require your skills, like soldering, please be aware of this before you decide to buy.
  • We do not help on any of your specific projects, only can help regarding our products.

Defective and Return

Defective items:
  • Normally all the products arrive your hands are well tested of quality.
  • We provide refund or resend when quality issues confirmed.
  • Return cost is very high and will be charged on your side if this is not a quality problem, so please make solid decision for your orders.
  • You may return products sold by for a full refund of the purchase price under the following conditions:
    • You must notify prior to requesting a refund. Please contact us by email
    • Your refund request must be received within 15 days of your receipt of the product.
    • All refunds will be processed through PayPal.
    • Any return postage incurred is your responsibility.

Warranty and Privacy

  • We strives to provide accurate descriptions and high quality merchandise. If you have any problems with your order, please let us know as soon as possible!
  • We will do everything in our power to make it right. Any reports of problems with an order shipped more than 60 days ago cannot be serviced.t.

As such we will not share your e-mail addresses or personal information unless it is necessary for the fulfillment of your order. Also unless you have signed up to receive our newsletter, you will only receive e-mails from us regarding your orders. (for full details please read our full privacy policy)


  • Paypal – Safe and common used online payment options. Also support credict cards payment.
  • 2Checkout – support most credict card options
  • Bank Transfer
    • Please only concern to use bank transfer when you have really high value of order, otherwise this option will generate a very high bank processing cost too.
    • If you would like to go for this option, please place a pending order without making payment, and email us to request bank transfer details.

Credit Card Payment via Paypal:

Choose “Pay with a debit or credit card, or PayPal Credit” (in the red box) on paypal checkout page if you want to use credit card (Optionally register paypal).

You must choose paypal payment option firstly, and you will be re-directed to this paypal page.

pay by credit card01


  • When the product item has a buck order price, you will be able to see it the product description tab called “Buck order price” or “wholesale”.
  • If you can not find it, please use the product inquiry form to send us a quotation email, we will add the buck order price on the product.
  • All the buck order still has to be placed online, this really help us to save a lot of manual work.

Proforma Invoice

Please place an pending order online first and email us, we will send you the proforma invoice later.

  1. You can place the order manually via our online store system with all your order details.
  2. When you click “place the order” on checkout page, and redirected to the paypal page.
  3. Simply click “cancel the order” on paypal page
  4. The pending order will remain in our system and we will email you the proforma invoice.

Thank you.