Want to know how an evacuated tube solar cooker works and what makes it so efficient? In this video, we take you inside Shandong Longpu Solar Energy's manufacturing facility to see the production process, design features, and real-world applications of their high-performance solar cookers. You'll learn about the technology behind the 125mm and 137mm diameter tubes, how they maximize heat absorption, and the benefits of using solar energy for cooking in both residential and commercial settings.