We have plastic casing pipes for artesian wells and underground extensions, high pressure, depth resistance, and high quality. Best types of plastic casings, national manufacturing, Dammam. Available sizes: 8 inches, 10 inches, 12 inches, 14 inches, 16 inches. Thicknesses: 4.9 mm, 7 mm, 8 mm, 9.5 mm. Also available is a cover to protect the well and a winch to lift and lower the submersible pump. May God bless our Prophet Muhammad.