Pte 20n and Tiangang 20 perfectly combine the advantages of manual carrier and electric carrier. They are a high-quality carrier suitable for multi-purpose and meet the European CE standard. The car adopts cutting-edge design and injects the building block design concept to give the car a novel angular appearance, so its English name is edge. The vehicle has a load of 2.0T, super light weight and super body structure. It adopts password lock switch and Curtis controller. The handle can walk upright. A variety of lithium batteries are available. At the same time, chargers of different specifications can be selected to meet the needs of different charging time. The handle and auxiliary wheel can be disassembled quickly, which is convenient for use and maintenance.