Steaming cart and steaming tray of DC series are special equipment for quick-frozen pastry production. The steaming cart and steaming tray are all made of 304 stainless steel with waterproof, corrosion-proof and other functions, which make them easy to clean. The casters with universal resistance to high and low temperature is selected for steaming cart, which is easy to operate and can adapt to the changes of high and low temperature in the production process. The steaming tray is formed once, with arc transition, smooth design, no sanitary dead corner and no deformation. They are compact in structure, beautiful in appearance, easy to use. Both devices are manufactured in accordance with the "HACCP" requirement of the food industry.