Liwei 1.6 heavy‑duty electric cargo tricycle. Adopts integrated full‑floating 20‑gear rear axle, 1000W magnetic‑encoded permanent‑magnet synchronous motor and 18‑tube magnetic‑encoded 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. Supports multiple battery configurations for cargo transportation. OEM & ODM customization supported.