The Suitong brand pure electric bus, model YST6890BEV, is a new product self-developed by Chongqing Suitong New Energy Automotive Manufacturing Co., Ltd. This vehicle has a lightweight aluminum alloy body, a full load-carrying electric bus chassis, high energy density batteries, an efficient energy-saving motor, an integrated intelligent electronic control system, a auxiliary system controller, a power steering pump, electric air-conditioning system and other technologically advanced systems. This vehicle has distinct advantages of light weight and low energy consumption.