Вывод в категории JoomShopping всех производителей, чьи товары есть на странице

<div class="cat-manufacture">
<?php
    $app = \Joomla\CMS\Factory::getApplication();
    $db = \Joomla\CMS\Factory::getDbo();
    $lang =   JSFactory::getLang();
    $category_id = $app->input->get('category_id' , false , 'INT') ;

    $Query = $db->getQuery(true);
    $select = [
        $db->quoteName( 'cat_map.product_id'),
        $db->quoteName( 'p.product_manufacturer_id'),
        $db->quoteName( 'm.manufacturer_id'),
        $db->quoteName( 'm.manufacturer_logo'),
        'm.' . $db->quoteName( $lang->get('name') ),
    ] ;
    $Query->select($select);
    $Query->from($db->quoteName( '#__jshopping_products_to_categories' , 'cat_map' ));
    $Query->leftJoin( $db->quoteName( '#__jshopping_products' , 'p' ). ' ON ' . $db->quoteName( 'cat_map.product_id').'='. $db->quoteName( 'p.product_id') );
    $Query->leftJoin( $db->quoteName( '#__jshopping_manufacturers' , 'm' ). ' ON ' . $db->quoteName( 'p.product_manufacturer_id').'='. $db->quoteName( 'm.manufacturer_id') );
    $whereArr = [
        $db->quoteName('category_id'). '='. $category_id ,
    ];
    $Query->where($whereArr);
    $Query->group( $db->quoteName( 'm.manufacturer_id') ) ;
    $db->setQuery($Query);
    $res = $db->loadObjectList();

    foreach ( $res as $i => $row ) {
    $href = SEFLink('index.php?option=com_jshopping&controller=manufacturer&task=view&manufacturer_id=' . $row->product_manufacturer_id  ); ?>
<div class="cat-manufacture-item">
<a href="/<?= $href ?>">
<img src="/components/com_jshopping/files/img_manufs/<?= $row->manufacturer_logo?>" alt="<?= $row->{ $lang->get('name') } ?> фото">
</a>
<p><?= $row->{ $lang->get('name') } ?></p>
</div>
    <?php } ?>
</div>