China's top supplier for PA Air Brake HOSE, PU hoses, PA&PU coiled hoses for Heavy Duty Use,DOT Approved, for trucks and trailers, trailer & truck nylon spiral hose, trailer PA spiral hose, Polyurethane hose/Spiral tube: Our recommendations:1)We specialize in nylon tube spring coil and hydraulic tube fittings.2)Our products sells well both home and abroad for our strict control on quality and competitive price.3)Smooth surface and anti-age functions.4)strict quality control, superior performance.5)Advanced CNC lathes, efficient and harmonized teams.Certifications:1.ISO 9000/9001/9004/19001:20002.CCC(China Compulsory Certification)3.TS16949:20094.OEM Service