Your Open Graph tags are using the default themes.

[Supermoney]

When a link is shared with the new theme on other sites, the meta data is displaying the VB theme's info, and not T4R!

Edit this:

<!-- added for seo, pls change the values according to ur site -->
<meta property="og:title" content="vBulletin3 Forum" />
<meta property="og:description" content="we sells vBulletin themes" />
<meta property="og:site_name" content="SultanTheme" />
<meta property="og:type" content="forum" />
<meta property="og:url" content="https://www.sultantheme.com/forum/" />
<meta property="og:image" content="https://www.sultantheme.com/forum/images/SultanThemeVB3R/st_logo.png" />