Display the Woocommerce products from a selected Category using WP_Query

<!-- This will loop and will show all products with a product category of freeshipping -->	

<?php 
$args = array( 'product_cat' => 'freeshipping', 'post_type' => 'product', 'posts_per_page' => 500, 'orderby' => 'rand' ); 
$loop = new WP_Query( $args ); 
while($loop->have_posts()) : $loop->the_post(); ?>

<div class='col-md-3 col-sm-4 col-xs-12' style="padding-bottom: 30px;">
				 <a href="<?php echo esc_url( get_permalink() ); ?>"><img src='<?php echo get_the_post_thumbnail_url(); ?>' style="border-radius: 15px" class="img-responsive theimage" /> </a>
				 <center>
				 <h4>
				 <?php 
				 $holdtitle = $product->post->post_title; 
				 echo $holdtitle ;
				 ?></h4>

				<?php 
				  global $product;
				  $price=$product->get_price_html();
				  echo "<span style='color: #fff; font-weight: bold; font-size: 1em'>" . $price . "</span>"; 
				?>
				<br />
				 <a href="<?php echo esc_url( get_permalink() ); ?>" class="btn btn-danger" style="margin-top: 5px;">&nbsp;&nbsp;&nbsp;VIEW&nbsp;&nbsp;&nbsp;</a>
				 </center>
		</div>

<?php endwhile; ?>