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