Qingdao Hainuo Machinery Production, a young and innovative company was established in 2002, capable of researching, developing and producing auto pipes and assemblies. We supply QDHN-LD branded brake hoses, brake hose assemblies, fittings, power steering hoses and low carbon steel tubes with superb quality and right price. Listed below are the many advantages offered. Meet customers unique requirments ISO9001:2000, TS16949, DOT MVSS106 All hoses conform to SAE standard All our suppliers of raw material are ISO or TS approved. Quality trace system Engineers with more than 20 years auto parts field expiereance Professional international trade knowledge