we can supply cartridge heater Here are brief introduction of our company: Haishi Electric Heating Element Limited Company is mainly produce various electrical heating element between ф2mm-ф500mm(cartridge heaters,coil heaters,band heaters,hot runner heaters,etc) .We are managed with science,own a team of enormous experts of technology and well-trained workers. Cartridge heating element transfers heat efficiently and uniformly, one lead end, adopted highly quality material and rigid technology. Apply to sealing plastic, mould, platen etc.