... in automobiles, tractors, ships, gasoline engine, and so on.Hose connector of each kind of mechanical device for oil, gas ... structure2. Excellent leak tightness3. Smooth inside band to protect hose surface from damage.4. High mounting force Material TypeMaterialcorrosion resistanceW1All ... over 15 years experience in producing no-hub couplings, hose clamps and ventilation tubes.Tel: 86-579-86358018 Fax: ...