We can design and offer the products(Various of Carriage, Trailer, Cargo Van, Dump Truck, Explosion Proof Van, Insulated Van, Refrigerated Van and Storehouse Bar Truck .etc.) according to your request.The parameter of the Refrigerated Van( ZZT5020XLC) that picture shows. Model: ZZT5020XLC Cab: single Overall dimension: 4450*1700*2500mm Dimension of the cargo body: 2440*1500*1450mm Wheel base: 2300mm Engine model: QC480ZLQ Piston displacement: 1.809L Rated power: 38kw Tyre size: 6.0-13 Gross W: 2360kg Rated payload: 450kg Max speed: 80km/h If you want more other detailed information, please be free to contact me.