1. Can I get a discount if I want more?
    Our product price is the wholesale price, for small quantities （Under $200）, can be purchased directly.
    However, when you have a larger quantity, it can be negotiated, you can contact us to negotiate and agree on more specific details.
2. I don't understand the parameters of some products, how to measure them？
    Buying accessories requires a certain level of expertise ，some require professional tools to measure. Some similar size difference of less than 1%, but actually can not be universal.It's easy to make a mistake if you don't understand.
    Accessories a wide variety of different places say different, it is recommended to take a sample and confirmation by physical object. You can also send your product to us for confirmation.
    It is also recommended that matching products are purchased together from our shop to ensure compatibility, such as screws and nuts.
3. Description of actual shipping costs for products.
    If you buy a small amount（Under $200）, you can pay for it according to the shipping cost indicated in our store.
    When buying a variety of products, shipping costs are determined on a case-by-case basis.Please contact us for more details on price and shipping cost.
4. We can help our customers to customize their products according to their requirements (including outer diameter, inner diameter ,length and thread are all customizable).Please contact us for more styles.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.