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                          Hongfa has exported to more than 100 countries and regions, and has established local marketing and service networks in many countries and regions. Hongfa now has the ability of conducting global market operations and technical service. Our customers include many major companies covering a wide range of fields such as industry, energy, transportation, telecommunication, home appliances, medical care, national defense, etc.

                          With an experienced senior marketing team and advanced service concept, Hongfa is able to provide customers with the most suitable solution with global vision and practical experience in the international market. It is also able to minimize the cost while maintaining production plans successfully.

                          With the combination and extension of R&D, production capability and market demand as the foundation, Hongfa group becomes a professional global supplier with an integral set of technics, manufacturing, marketing, sales, service and brand in relay industry. Hongfa brand now has an absolute market advantage in the global relay industry.

                          General Purpose Relay Manual

                          The manual includes the basic information of general purpose relays, relay selection principles and application instructions. Generally, all parameters in the data sheet are the initial values measured under standard condition unless otherwise stated. Standard condition:
                          1. Temperature: 15℃ ~ 35℃
                          2. Relative humidity: 25% ~ 75%
                          3. Air pressure: 86kPa ~ 106kPa


                          Automotive Relay Manual

                          Automotive relays are specifically applied to the electrical control in the automotive industry. It is a category developed with automotive electronics and electrical appliances. It is widely used to control auto start, pre-heating, air conditioning, lighting, wiper, fuel injection, oil pump, security, audio, communications, navigation, electric fan, cooling fan, electric windows, airbags, ABS, suspension and in the vehicle electronic instrument and fault diagnosis system. It is one of the most widely used automotive electronic components in the automotive products second to sensors.


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