Liwei 2.0×1.2 heavy‑duty electric cargo tricycle. Built‑in integrated full‑floating 20‑gear rear axle, 1200W permanent‑magnet synchronous motor and 24‑tube permanent‑magnet synchronous controller with anti‑rollback function. Φ43 lengthened aluminum‑cylinder hydraulic thick‑shaft‑hole front fork plus double‑row 8‑leaf‑spring rear suspension, reliable braking system and automotive‑grade steel rims. Multiple battery selections for heavy‑duty cargo transportation. OEM & ODM customization supported.