Ashish Polyplast. Ltd supplies High Pressure Spray Hose. Ashish Polyplast. Ltd manufactures a wide range of industrial high pressure nylon reinforced flexible hoses for use in agriculture, fire fighting, chemical industries and engineering. The High Pressure Spray Hose is suitable for high pressure spraying of water based chemicals, insecticides, Fungicides, Weeding etc. The High Pressure Spray Hose is suitable for application involving spraying by hand or power driven pumps.