We have plastic casing pipes for covering artesian wells and underground extensions, high pressure, depth resistance, and high quality. Best types of plastic casings, national manufacturing, Dammam. Available sizes: 8 inch, 10 inch, 12 inch, 14 inch, 16 inch. Thicknesses: 4.9mm, 7mm, 8mm, 9.5mm. 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.