At Dongrong, all of our products are made using food-grade silicone, which holds an SGS inspection report certificate. We also place a high priority on silicone product innovation and model development. With the increasing popularity of silicone products in the market, the team here at Dongrong tries to keep pace with the market. Some of our products have been awarded patent certificates for appearance design and practical new technology. We have also been certified by the ISO9001.2015 international quality management system.