Company is looking for a supplier of disc springs UNI 8736-8737 or similar (DIN 2093) for chairlifts Material: 51 Cr V 4 Surface treatment: phosphated and shot peening Sizes: 55x31x3 lo = 4,2 mm Composed of 17 packets of 2 disc springs Nominal power: 16600 N = 1628 kg Total quantity: 1700 pcs. Certification as per UNI 8736-8737 are requested For further details please contact directly the customer