Axle Assembly, Brake Shoe Assembly, Brake Drum manufacturer / supplier in China, offering 7K Trailer Splipper End Leaf Spring with U-Bolt and Hanger Kits, Trailer Slipper 5 Leaf Spring for 7K Electric Brake Axle, 26-5/8" X 2" Trailer Slipper 5 Leaf Spring for 7000 Lb Axles and so on.