transparent quartz glass circular windows

Q1: Are you a factory or trading company ? 

A: We are a factory.We have been in optics field for 10 years

Q2: Where is your factory located ? How can i visit there ? 

A:It is located in North-South 1^st Road ,xiangguang Economic Development Zone,Yanggu county,Shandong Province,China

Welcome to visit our factory anytime

Q3: Can I customize the products based on my need?

A: Yes, we can customize the material, specifications and optical coating for your optical components based on your needs.

Q4: What's your MOQ?

A:   

<![if !supportLists]>(1) <![endif]> For inventory, the MOQ is 1pcs.
(2)  For customized products, the MOQ is 10pcs-20pcs.

Q5: Can i get the sample to test before the mass production ?

Sure ,we would like to offer the sample for you to test our quality before large order

Q6: How to pay?

A:   T/T, Paypal, Western Union, Secure payment, Credit card and Assurance payment on Alibaba and etc..

Q7: What's the delivery time?

A: 

 For inventory: the delivery is 3 workdays after you place the order.
 For customized products: the delivery is 2 or 4 workweeks after you place the order.

Q8: How to ensure the safety of payment?

A:   Hengjing is the gold supplier of aibaba for more than 4 years and supports Alibaba Trade Assurance. We value our reputation in this field