Ever wondered how a leading manufacturer ensures the quality and reliability of their self-heating products? In this video, we take you inside Shijiazhuang Daylily Biotechnology's state-of-the-art facility to witness a comprehensive panel test. You'll see how their innovative hand warmers and self-heating eggs are rigorously evaluated for performance, safety, and durability. Join us for an exclusive look at the testing processes that help Daylily maintain their position as a top supplier in over 20 countries.