... aging .rotting ,high temperature high quality and favourable price air hose 1. We, Hebei Qinghe Dezheng Auto Parts Co,Ltd. is ... a big professional production of agricultural vehicles for Hose,Automobiles,Construction machinery strip manufacturer and exporter. 2. We produce ... /hot water,petrol, diesel fuel, engine oil.They can be add wire in the rubber hose,the surface is smooth,other is ...