Our EFD transformer, high frequency transformer, transformer,widely used in power supply,LED lighting,
charger etc. Our product has Low core loss,high magnetic conductivity,high conversion efficiency characteristic.Our products have exported to many countries and regions.

. Typical product:
. PQ 2020 2016 2625 3230 3535 4040 5050
. EI, EE series: EI, EE-5.0, 8.3, 10, 13, 16, 19, 22, 25, 28, 30, 33, 35, 40, 42, 50, 55, 60
. EF series: EF-4539, 16, 20, 25, 32
. ERL series: ERL-28, 35, 39, 42, 49
. ETD series: ETD-29, 34, 39, 44, 49, 54, 59
. EFD-15, 20, 25, 30The introduction of transformers of our main product:
. EC, EE. EI and PQ type high frequency switch transformer
. EP type magnet shielding switch transformer
. RM type communication filter, aux power transformer
. ET, FT type linearity T (ring) type filter and switch transformer
. G (jar shape) switch transformer
. DR (I) type transformer
. T (ring) iron power core, DC filter inductor
. RM series: RM-4, 5, 6, 8, 10, 12, 14
. Feature: Used in high-density installation with good shielding quality
. Application: Wave carrier filter, power transformer adn aux-power transformer
. Customized designs are accepte.

Changzhou Southern Electronic Element Factory Co., Ltd. is located in China, with a long history. We enjoy convenient transportation by highway, railway and airway. It takes only one and half hours' Drive to Shanghai or Nanjing.

Our company was founded in 1989, and currently we employ more than 300 people, including 60 professional technicians, covering an area of 10, 000 square meters, with a construction area of more than 5000 square meters. Our main products are wirewound resistors, wirewound resistor fuses, membrane fuse resistors, fixed inductors, filters, ferrite transformers, ring-shaped coils, fuse dedicated energy-saving lamps and UL fuses. Our annual output is 200 million resistors, 200 million transformers, 100 million coils and 200 million fuses, which are mainly used for household appliances, communication equipment, energy-saving lamps, automation control devices (such as inverters), power equipment and facilities. Our products are exported to Europe, the United States and Southeast Asia. GE, OSRAM and PHILIPS are our customers.

Factory' S quality policy: "product quality, service in advance, customer satisfaction".

Environmental policy: "to comply with laws and regulations, pollution prevention, environmental awareness, continuous improvement of the environment"