1) Sample:acceptable 2) High quality&Fast delivery 3) long working life 4) factory price 5) good technical property Heating wire:We are the ... , OCr25AL5, OCr23AL5, OCr21AL4, 1Cr13AL4.2. Nichrome heating wire:Cr20Ni80, Cr30Ni70, Cr15Ni60, Cr20Ni35, Cr20Ni30.3. Copper Nickel heating wire:Cu44Ni, Cu23Ni, Cu10Ni, Cu6Ni, manganin, monel ...