Demo
=> You can check extension at our Demo Store.
Admin:
https://demo-opencart.com/admin/index.php ( demo / demo )
Features
=> You can set shipping rate for each product.
=> Example : Shipping rate for product=5 USD
If 1 quantity of product is ordered then shipping rate will be 5 USD
If 2 quantities of product are ordered then shipping rate will be 10 USD

For any other opencart extensions or help add us on skype: aditya_web
or email us on : [email protected]
Note: Ftp details required for any bug/support