Ningbo Longwell Electric Appliance Co., Ltd is based in China. The company offers home cleaning robots, a USB mini air cooler, and a portable electric wall mini fan heater. The home cleaner robots are described with Kpa suction for picking up ash, melon seed shells, snack crumbs, dust, and wood chips on level ground such as marble, ceramic tile, and wooden floor. Each robot package includes a packing box, sweeping robot, charging line, cleaning cloth, brush, lithium battery, and screwdriver, and features ninety minutes of run time, one-button power, super filtration, strong suction, anti-collision, and a large lithium battery. The USB mini air cooler combines cooling, humidifying, and purifying with a 300 ml water tank that works around eight hours on a 10 W USB power supply. It offers three speed adjustments, a cyclic seven-color LED light, and a multilayer evaporative water filter. The portable electric wall mini fan heater provides two heating settings at 750 W and 1500 W, uses a PTC ceramic heating plate, and includes tip-over protection, an adjustable room thermostat, overheat protection, and a BLDC motor. Buyers can send an enquiry through Global Trade Plaza.