... : 0.08~ 3.5mm 2) Type: compression Electronic appliance spring. 3) Main material: carbon spring steel, alloy spring ... temperature resisting alloy, corrosion-resistant alloy and bronze4) Good resistance to both high and low temperatures 5) Surface treatment: ... toys ,locks,stationery,furiture ,washing machines,vacuum cleaners,lamps and lanterns,bicycles,sports equipment ,etc12)packing: A. inner packing ...