We're a GaN fast-charger manufacturer helping companies launch premium, certified charging products — from first sketch to shipped pallet.
Founded in 2009, Dongguan Rongjun Electronics has grown into a 4,200+ m² facility of 300+ people, producing up to 200,000 GaN chargers a month. With self-developed GaN chips and fully automated production, we manufacture for leading brands across Europe, the Middle East and Australia — partnerships we keep strictly confidential.










Every charger is tested before it leaves the line — no exceptions, no shortcuts.
We invest in GaN R&D so your products stay ahead of the curve, not behind it.
Clear pricing, honest timelines, and a team that treats your launch like our own.
Compliant materials, efficient products, and sustainable, transparent manufacturing.
Every Rongjun product is tested and certified for safety and compliance worldwide.
Mandatory certification for electrical safety in the Chinese market.
IEC-based report recognized across member countries worldwide.
Meets EU safety, health and EMC directives for the EEA.
Meets US limits for electromagnetic interference.
Underwriters Laboratories testing for electrical safety.
Intertek ETL listing for the US and Canadian markets.
Lead-free, environmentally responsible components.
Additional market-specific marks for OEM/ODM projects.
Whether you need our ready-made models or a custom OEM / ODM line, send us your requirements and get a quote within 24 hours.