Axle Assembly, Brake Shoe Assembly, Brake Drum manufacturer / supplier in China, offering Heavy Duty 8000lbs 12.25*3.375′′ Electric Brake Assembly with Self Adjusting 4 Holes for Trailer, 12 Inch Electrical Trailer Brake Back Plate for 6000 Lb Trailers, 12X2′′ Electric Brake with Self Adjusting Free Back Plate for 7000lbs Trailer Axle and so on.