Our company specializes in manufacturing all kinds of electric heating elements. We have our own patent in cartridge heaters. We also have been certificated by ISO9001:2000 and CE in coil heaters, band heaters and immersion tubular heaters. We provide Mica Nozzle Heaters, Ceramic Heaters, and boiler heater. We provide OEM service for customers all over the world and customize electric heating elements as required. If you are interested in our products, welcome to our website: www.szannai.com. Please contact me: eheater@vip.163.com