Introduction: THINKING Xingqin (Changzhou) Electronics Co., Ltd. was founded in 1979, dedicated to the field of electronic protection components. In response to the needs of the electronics industry, we provide three categories of electronic circuit protection solutions: "overcurrent protection", "overvoltage protection", and "over temperature detection and protection". Our product line covers negative temperature coefficient thermistors (NTC Thermistors), varistors (Varistor), positive temperature coefficient thermistors (PTC Thermistors), gas discharge tubes (Gas Discharge Tubes), and temperature sensors. The application areas of THINKING products include consumer electronics, automobiles, power supplies, smart homes, communication devices, healthcare, lighting, security protection, and renewable energy.