1. 4x2 5-6ton RHD truck refrigerated tank truck/cargo van refrigeration units/wing van 1 , ISO9001-2008, GJB9001B-2009 , GB/24001- 2004 2,military technology,competitive price 3,Cooling effect 4.Energy saving 5.Driving Comfort 2. 4x2 5-6ton RHD truck refrigerated tank truck/cargo van refrigeration units/wing van parameters refrigerated cold room van truck