What is the price of cartridge heaters? You need to know:
★ The diameter ＜6mm, the finer the more expensive;
★ The length ＜ 50mm, the shorter and more expensive;
★ The higher the surface load, the more expensive the price;
★ The price of the inner lead wire is much higher than the price of the external lead wire;
★ Quotation for cartridge heaters is not depended on meters, but need to integrate all parameters.