JK
Shenzhen Jinrui Electronic Materials Co., Ltd. (Jinrui for short) was established in 2002. It is a national high-tech enterprise specializing in the research, development, production and sales of polymer PTC (PPTC for short). Jinrui has the technical background of the Institute of Metal Research, Chinese Academy of Sciences (Shenyang), and independently develops five series of PPTC resettable fuse products under the JK brand: plug-in type, conventional surface mount, low resistance surface mount, ring type, and strip type. There are nearly 1,200 product models, and the withstand voltage ranges from 6V to 600V. JK PPTC products currently cover many fields of electronic appliances.