Hongfa is a leading enterprise in China's relay industry, and also one of the world's main relay manufacturers and sales, with comprehensive economic benefits ranking first in the domestic industry. Hongfa was founded in 1984, following the enterprise spirit of "continuous progress, never satisfied", Hongfa has developed into a world-class relay research and development and production base, the products cover relay, low voltage electrical equipment, high and low voltage complete sets of equipment, precision parts and automation equipment and many other categories. Among them, as the main business of Hongfa, relay products have a total of more than 160 series and 40,000 kinds of common specifications, with an annual production capacity of 1.5 billion. Hongfa products are widely used in industry, energy, transportation, information, home appliances, medical and other industries, products are exported to more than 100 countries and regions, the company has established a local service network in many countries and regions, with global market operation and technical service capabilities.