We are and i am so happy to read your responce, Here are the specifications of the steel that we use:Galvanized steel coilZ = 200 g / m2Weight of coils: 5 tons to 8 tonsWidth: 1220 mm to 1225 mmInside Diameter: 470 mm to 520 mmThickness:0.4 mm0.6 mm0.8 mm1 mmCoated steel in coilZ = 75 g / m2Painting interior polyester 7 μEpoxy paint exterior 25 μWeight of coils: 5 tons to 8 tonsWidth: 1220 mmInside Diameter: 470 mm to 520 mmThickness:0.5 mm RAL90100.7 mm RAL5017Please give us your best price offer, stating:TermsMode and method of paymentDelivery timesMinimum order quantityFOB cost and transport cost or price CFR port of Oran.Meanwhile I wish your offer for a very good day!Country:Algeria