... ducts 2.We are manufacturer 3.We supply spring steel wire,aluminized PET,aluminium PET foil,PVC,ect Specifications 1.Material ... buyer's requests6.We supply spring steel wire,aluminized PET,aluminium PET foil,PVC,ect Wire diameter0.15-12mm T/S1500-2900N ... โ12.01030-12701270-1470โ13.01030-12201220-1420โ Spring steel wire