QDGY brake hose fittings 1.Material:Steel ,plastic,rubber.. 2.Pretty performance 3.DOT standard 4.Product as per drawings Qingdao Guosong Machinery Parts Co.,Ltd first began brake hose assembly operations in China in 1996.The premier OEM's rely on the service ,quality and performance of the brake hose assemblies.QDGY has the capability to design and provide complete validation testing to the ...