This 20,000L (20 cubic meter) food-grade stainless steel water tank body is a heavy-duty, premium storage solution engineered for large-capacity water supply trucks (water bowsers), water tankers, and mobile liquid transport vehicles. Manufactured from high-quality food-grade 304/316L stainless steel with a full mirror-polished finish, it delivers exceptional corrosion resistance, hygiene compliance, and long service life, making it the ideal upgrade or replacement tank for municipal, construction, mining, and agricultural operations worldwide. Highlights: Material: Food-Grade 304 Stainless Steel (316L optional for ultra-hygienic/chemical applications) Finish: Full Mirror Polished (interior + exterior) Capacity: 20,000 Liters (20 m³ / 5283 Gallons) Tank Structure: Cylindrical design with reinforced anti-wave baffles, fully welded and 100% pressure/leak tested Compatibility: Universal fit for 6x4/8x4 heavy-duty truck chassis (HOWO, Dongfeng, FAW, ISUZU, etc.) Insulation: 50mm/80mm high-density polyurethane foam insulation (optional, for heated/insulated water trucks)