Established in 1987, Shenzhen Jinke Special Materials Co., Ltd. (JINKE) is a hi-tech enterprise which is authorized by Shenzhen Government, and jointly invested by Chinese Academy of Sciences (CAS) Metal Institute and Shenzhen Science & Tech Park. We mainly engage in researching, developing and marketing function materials for Ceramic PTC and Polymer PTC, and we are also involved in developing Li+ Battery Materials and Nanometer Materials. JINKE has been accredited with ISO9001 quality system certification since 2000. Most of our products are certified by safety approval agencies such as UL, CSA, TUV and CQC.