Lifeng 1.7‑1.8 heavy‑duty electric cargo tricycle offered in two size options. Equipped with integrated full‑floating ball‑muffler‑box 23‑gear rear axle and reinforced 1200W/1500W permanent‑magnet synchronous motor with anti‑rollback capability. Φ43 lengthened aluminum‑cylinder hydraulic front fork paired with double‑row 8‑leaf‑spring rear suspension, heavy‑duty braking system and automotive‑grade steel rims. Supports multiple battery configurations for heavy‑load cargo transport. OEM & ODM customization supported.