dia：0.05mm-5mm usages: high temperature resistive colorful shake resistive lamp wire; twin screw lamp wire; pothook spring cathode of electron tube; cathode of gas discharge lamp -house; electric vacuum vocation, electron tube of electric lamp-house vocation series, car lamp series; halogen lamp, special lamp. feacture: excellent conductivity of electricity and resistance of high temperture. with high melting point, high oxidation and erosion resistance. special specification could be also available.