Yuhuan Yulong Refrigeration Machinery Factory specializes in manufacturing refrigeration parts. Our factory was built in 1988. Our main products are latches, handles, hydraulic door closes (door closures), and pressure ventilators (window balance). Due to our staff members' efforts, we have had hundreds of products and got the certificate of NSF. We have established very reliable and long-term business relationships with our customers worldwide. Thanks for your support and trust.