User Guide

1. How to register?

1) Enter Nader Optics official website www.goovisar.com

2) Fill in the relevant information and click Registration

2. How to buy?

1) Choose goods and join the shopping cart

2) settlemen

3) Fill in the receipt information and payment information and submit the order.

4) Payment in accordance with instructions on the web page

3. How to register?

Enter the official website of Nader Optics www.goovisar.com, click the "member login" button in the upper right corner, click "create account", and fill in the information of"user name/mailbox number" and "password" as required. Please ensure that you enter the correct and valid mailbox number and save the registration password.