... resistanceHigh efficiencyquick responselifetime 8000-10000 hoursThe current popular carbon fiber heating elements, doing with our own quartz glass tubes which we have ... twenty years of experiences.You can use them on the heaters, hair dryers, electronic ovens, and so on.It has the ... U, C, L, Ω, etc.We can do the kinds of heating elements according to your detailed specifications.So just let me know ...