Offers and discounts from Al-Kawthar Tanks Company on all products. We have available fiberglass underground tanks, sewage tanks, civil defense tanks, and diesel tanks in all sizes with a 25-year warranty. They are made of thick fiberglass to ensure their durability for as long as possible, and available in various sizes according to customer preference. Polyethylene tanks are also available in all sizes with a 10-year warranty. Delivery: Dammam, Khobar, Ahsa, Qatif, Sehat, Dhahran. For communication: /056408037