Show store name on single product page

functions.php

/*Show store name on single product*/

add_action( 'woocommerce_single_product_summary', 'seller_name_on_single', 12 );
     function seller_name_on_single(){
              global $product;
        $seller = get_post_field( 'post_author', $product->get_id());
        $author  = get_user_by( 'id', $seller );
        $vendor = dokan()->vendor->get( $seller );

        $store_info = dokan_get_store_info( $author->ID );

        if ( !empty( $store_info['store_name'] ) ) { ?>
            <span class="details">
                    <?php printf( 'Sold by: <a href="%s">%s</a>', $vendor->get_shop_url(),  $vendor->get_shop_name() ); ?>
                </span>
            <?php
        }
     }