Only One Image Showing When Sharing Url On Facebook

Hello Everyone,

When i copy any url in facebook, facebook is fetching only 1st image.

Here is link of my product

When I try to get image link from my website by right click and copy link address, it gives this link

instead of giving any url for image.

I have not used Alt keywords for these images.

My website is (Multivendor)

Waiting for positive answer.