Rotation insulation box has the following advantages: 1. It is made of polyethylene material, which is UV resistant, non-toxic and harmless, acid and alkali resistant, corrosion-resistant, and not easy to rust. 2. It adopts rotation moulding technology, which is seamless without welding, anti leakage, and has good impact strength. 3. It can be embedded with various inlays, which is easy to fix. The inlays and products are formed in one, and are not easy to leak. 4. It is lighter than metal storage tank, easy to handle and install. 5. The shape and color can be customized as needed, and the appearance is beautiful and generous.