If you would like to get a quotation for any lens or components , please contact our sales department sales@sunyang-optics.com.tw .

If you purchase a product on the website, you may pay by credit card. If you need to use other payment methods, please contact our sales department at sales@sunyang-optics.com.tw .

Sunyang Optical is committed to ensuring your complete satisfaction. If you wish to return an item after purchase, you will need to obtain a Return Authorization Number from our sales department and return the product with the original packaging and the Return Authorization Number clearly marked on the shipping box. If you want to know more information, please read our return policy ( please refer to point 5 for return and exchange instructions ) or contact our sales department sales@sunyang-optics.com.tw .

All orders are forwarded to our sales department for processing. Most orders ship within 3 business days; however, additional paperwork may be required before your order ships. Sunyang will not arrange shipment until all items are available for shipment. If there is an out-of-stock item, we will not ship the entire order until the out-of-stock item is available and we will contact you by email.

Yes! All Sunyang optical products you purchase have a one-year warranty.

If you have any questions about the available quantities of a certain product, please contact our sales department sales@sunyang-optics.com.tw.

Please contact our sales department sales@sunyang-optics.com.tw for maintenance information.

The invoice will be sent together with the shipment. If you have any questions about the invoice, please contact the sales department sales@sunyang-optics.com.tw .

If the item you are looking for is out of stock, please contact our sales department at sales@sunyang-optics.com.tw to help you choose a replacement or find out when the item will be back in stock.

Once an order is placed with Sunyang Optical , we will do our best to meet all delivery dates. You can contact our sales department at sales@sunyang-optics.com.tw to discuss the urgency of your needs.

Of course, we recommend communicating directly with the sales department for your specific specifications. sales@sunyang-optics.com.tw

Yes, Sunyang Optics offers volume discounts for in-stock and custom products. You can request a bulk quote for in-stock items, or contact our sales department at sales@sunyang-optics.com.tw for more information.

shipped within 3 working days of Taipei time after the order is completed and payment is made .

Sunyang Optics will send an email to customers for all product orders that have been shipped. If you do not receive the tracking number, you can contact our sales department sales@sunyang-optics.com.tw .

Our sales department sales@sunyang-optics.com.tw will be happy to help you with any questions you have about our products, and they will be happy to find the product you need for your next application.