Hongfa relays have 160 plus series, 40,000 plus regular specifications including signal relays, automotive relays, power relays, industrial relays, latching relays, new energy relays, etc. It is able to develop 10-15 new relay series annually with an annual production capacity of 1.9 billion pieces. Hongfa relays have obtained the certification of UL/CUL, VDE, TÜV and CQC and are widely used in areas as industrial control, automobiles, equipments, telecommunication, home appliances, medical care, national defense, etc.