Jansum Electronics(Dongguan) Co., Ltd. is located in Changping Town, Dongguan City.  We are a company specializing in R&D, manufacturing and sales of Ethernet transformer, Telecom transformer, Choke coils, Inductors and other magnetic components. The products sell well at home and abroad, and are exported to Europe, America, Southeast Asia, Middle East, Australia and other markets, and provide OEM/ODM services for domestic and foreign customers. We have such a full range of products categories, stable performance, and cost-effective,  that we have received consistent praise from customers. Our products are widely used in network switches, routers, ADSL, optic modem, set-top boxes, TV, monitoring equipment, network players, smart home and other industries.

Jansum Electronics adheres to the people-oriented, integrity-based, professional first and harmonious development as a guide. Our goal is to provide customers with perfect solutions and series products, becoming the preferred supplier of network magnetic components and to create a stage for employees to realize their value of life.  At the same time, we have been participating in social public welfare work and do our best to help those in need.