Frequently Asked Questions:

1. How do I know my order has been placed?

When you confirm your order, we will send a Proforma Invoice via email to you. This email will have the order number for your reference and confirm the product you ordered. Please note you will receive a second email from us once the product has been shipped from our warehouse. The second email will contain your tracking number and you could check your delivery on the Official Courier Website.

2. Can you draw upa quote/proforma invoice for me?
Yes, our sales team can provide official quotes for you.However, you must first specify the billing address, shipping address, e-mail address, phone number and shipping method. We cannot create an accurate quote without this information.

3. How do you shipmy order? Can you ship “freight collect”?
We can ship your order through FedEx, TNT, DHL, or EMS on your account or prepayment. We also ship"freight collect" against your account. You will receive the goods in Next Day, Two Day, or Three Days for domestic shipments, while international shipments typically take shipping companies a few business days to deliver. For items that are not in stock, the delivery schedule will vary based on the item.Please contact our sales team to inquire whether a material is in stock.

4. Do you accept purchase orders?
We accept purchase orders from customers that have acredit history with us, you can fax, or email the purchase order to us. Please make sure the purchase order has both the company/institution letterhead and authorized signature on it. Also, you must specify the contact person, shipping address, email address, phone number, shipping method.

5. How can I pay for my order?
About the payment, we accept telegraphic transfer,western union and PayPal. L/C is only for above 50000USD deal.Or by mutual agreement,both sides can accept the payment terms. No matter which payment method you chose, please send us the bank wire by fax or email after you finished your payment.

6. Are there any other costs?
Beyond product costs and shipping costs, we do not chargeany fees.

7. Do you have a printed catalog?
We do not offer a printed catalog. But we could enclose a small brochure inside the package when we delivery the goods to you. All of our products and order information is available on our web site and you can place orders by telephone or email us.

8. Can I order Collect on Delivery?
No. Unfortunately, we are unable to process COD (Collecton Delivery) orders. For all other payment options, please see "Terms& Payment" section.

9. Can you custom-manufacture a product for me?
If there is a nanoparticle that we do not have in stock,then yes, it is generally possible for us to get it produced for you. However,it usually requires a minimum of quantities ordered, thousands of dollars ofoverhead costs, and about 10 days above lead time. If interested, please e-mail sales with details of what you are looking for.

10.Other.
According to every specific orders, we will discuss with customer about the suitable payment method, cooperate with each other to better complete the transportation and related transactions.