... can be repeated to pull thousands times.trolleyUse AL alloy trolley, which produce standard, can bear about 100kg s pressure ... , well-designed, more durable.wheelsUse high quality PVC wheels, stainless steel axletree make it more bearing, rolling smoothly, ... US Baoding Marksman luggage&bag Industrial Co., Ltd. are located in Baigou, China, specialized in various luggages and trolley bags, with ...