WP query

<?php
/**
 * Template Name: Full-width Page Template, No Sidebar
 *
 * Description: Twenty Twelve loves the no-sidebar look as much as
 * you do. Use this page template to remove the sidebar from any page.
 *
 * Tip: to remove the sidebar from all posts and pages simply remove
 * any active widgets from the Main Sidebar area, and the sidebar will
 * disappear everywhere.
 *
 * @package WordPress
 * @subpackage Twenty_Twelve
 * @since Twenty Twelve 1.0
 */

get_header(); ?>


	<div id="primary" class="site-content">
		<div id="content" role="main">

			 <?php
  			$args = array( 'post_type' => 'product', 'posts_per_page' => 10, 'category__and' => array( 20, 61, 74, 28 ), 'orderby' => 'date' );
			$loop = new WP_Query( $args );

			while ( $loop->have_posts() ) : $loop->the_post(); global $product; ?>

				<?php echo do_shortcode('[product id="'.$loop->post->ID.'"]') ?>

		  	<?php endwhile; ?>
		  	<?php wp_reset_query(); ?>


		</div><!-- #content -->
	</div><!-- #primary -->

<?php get_footer(); ?>