Jiangsu Tongchuang Energy-Saving Technology Co.,LTD.is a professional company engaged in the new nanometer carbon heating materials .The headquarters of our company is located in the national health civilization city -- Zhangjiagang. A new generation of nanometer carbon heating products developed by our company have passed the test of China National Supervision and Test Center for Infrared and Industry Galvanothermy Product Quality ,and have the inspection certificate issued by Shanghai Indoor contamination Control Industry Association Director Unit.This products also passed the SGS test. And PICC guarantees the security of the products.Company?s major brand----LEFU includes nanometer carbon heating basis materials and heating system.Other brands involve WARM HOME and LEVINSUIT. Future we will make more nanometer carbon health products warming your life.