Hsi To Tsun Enterprise Co., Ltd. specialize in making automotive radiator caps and established in 1979. All of our products are at high quality. Your satisfy is our business.

We research New Safe Thermo Radiator Cap and obtained two patents. It is with safety as the purpose, develop for reminding the driver. Safe Thermo Radiator Cap has a built in thermometer that displays your coolant temperatures whether in a safe situation or not. When the driver must remove the cap urgently ...