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( ZZT5040XBW) that picture shows. Model: ZZT5040XBW Cab: single Overall dimension: 5995*2150*3030mm Dimension of the cargo body: 4050*1960*1820mm Wheel base:3360mm Engine model: CY4100ZLQ Piston displacement: 3.707L Rated power: 70kw Tyre size: 7.00-16 Gross W: 4495kg Rated payload: 990kg Max speed: 95km/h If you want more other detailed information, please be free to contact me.