Leaf Spring, Trailer Axle, Trailer Suspension manufacturer / supplier in China, offering Complete Trailer Brake Hub Drum Kit 10 Inch Electric Brake Backing Plate Assembly with All Bearing Seal Accessories, 3500 Lbs Trailer Axle Parts 5 Stud Wheel Hub Drum Electric Brake Assembly Kit for Camper Trailer, Heavy Duty 10" Trailer Electric Brake Hub Drum Set Complete Replacement Kit with Brake Shoes Bearings and Hardware and so on.