... . 2.They are made in high-quality NBR,Natural Rubber Air Rubber Hose A. We, Hebei Qinghe Dezheng Auto Parts Co.,Ltd ... HOSES.Our main products are:Rubber Hose,Silicone Hose, Automotive fuel tank on the water pipes,Wired Hose,o-rings,Automotive fuel tank under ... water,petrol, diesel fuel, engine oil.They can be add wire in the rubber hose,the surface is smooth,other is having braided ...