For more than 20 years, Zhejiang Hua Di Electronics Co. has been a trusted provider of flow, pressure switches, sensors for gas boilers, water heaters, gas furnaces, and other appliances. Our products are designed to enhance the efficiency and safety of your equipment. Because of this, reliability is of the utmost importance, and we utilize high-quality production equipment to manufacture these devices, resulting in excellent reliability and performance. We hold several international industry certifications, and our products have been widely praised by customers around the world.