赞比亚采购需求：机动三轮车、电动三轮车、电动滑板车、新能源汽车、零配件

We're looking for tricycle ambulances designed for both on-road and off-road use. Specifications include a closed panel van body that accommodates two seated passengers, with lockable doors and winding windows in the front cabin. Dimensions should be approximately 3.8-4.3m in length, 1.4-1.5m in width, and 1.6-1.8m in height. The patient compartment must have a minimum length of 2.2m, width of 1.4m, and height of 1.6m. Loading capacity should be between 1,000 to 2,000 kg. Looking for a 12V electrical cycle to power all lights and sirens, along with a water-cooled, single-cylinder, 4-stroke engine with a displacement of 175-225cc and an electric starter. Fuel tank capacity should range from 10-20 liters, and tires must be sized 5.0-12.