php - WooCommerce: Product Loop by Vendor?

I managed to get the store names of all of the current vendors to display in a <ul> tag but it seems that when I loop to get the products, all of the products registered gets displayed under the store name.  

How would I go about getting the products that are unique to the store name? 
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This is a WordPress, woocommerce and dokan project.

User Story;

As a user, I'll see the vendor's store name and will be able to see all of the vendor's products underneath the vendor's store name.

<div id="dokan-seller-listing-wrap">
  <div >
    <?php if ( $sellers['users'] ) : ?>
      <ul >
        <?php
        foreach ( $sellers['users'] as $seller ) {
          $store_info_author   = dokan_get_store_info( $post->post_author );
          $store_info       = dokan_get_store_info( $seller->ID );
          $store_name       = isset( $store_info['store_name'] ) ? esc_html( $store_info['store_name'] ) : __( 'N/A', 'dokan-lite' );
          $store_url       = dokan_get_store_url( $seller->ID );
          $featured_seller    = get_user_meta( $seller->ID, 'dokan_feature_seller', true );

          ?>
    <div >
      <div >
      <div >
          <h2><a href="<?php echo esc_attr($store_url); ?>"><?php echo esc_html($store_name); ?></a></h2>
      </div>
      </ul>
        <li >
          <?php
          $args = array(
               'post_type' => 'product', 
               'posts_per_page' => 12
                  );

                    $loop = new WP_Query( $args );
                    if ($sellers['users']) {
                      while ( $loop->have_posts() ) : $loop->the_post();
                        wc_get_template_part( 'content','product' );
                      endwhile;
                    } else {
                      echo __( 'No products found' );
                    }
                    wp_reset_postdata();
                  ?>
        </li><!--/.products-->

          <?php } ?>
      </div>          
    </div>      
  </div>
</div>
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