Choose from a complete range of power products designed to protect equipment, improve efficiency, and keep systems running smoothly—from voltage regulation to backup and conversion.
Tell us your input/output voltage, kVA, application, and country standard—we’ll recommend the right model.
30 years of independent R&D and production for voltage regulation solutions across home, commercial, and industrial use.
Step-up/step-down conversion and customized winding solutions for multiple voltage standards.
Efficient DC–AC conversion with multi-protection and smart cooling control.
Multi-level adjustment and protection functions for controlled charging and reliable storage support.
Founded in 2007, Yueqing Johsun Tec Electrical Co., Ltd is a professional manufacturer of power supply products, specializing in voltage regulators, transformers, UPS, inverters, and solar solutions.
With 20+ years of experience, we provide reliable products, flexible OEM/ODM services, and stable delivery to support customers in global markets.
Since 2007, we have specialized in voltage regulators and transformers. We offer full-spectrum customization.
ISO 9001:2008 managed and CE/FCC/IC certified. Our products undergo multiple rounds.
From industrial regulators to solar photovoltaic systems, we provide one-stop integrated power resources.
20+ years of expertise in Voltage Regulators, Transformers, and UPS for industrial safety.
Full customization from technical parameters to product appearance and sample development.
Sustainable Solar Photovoltaic systems, including inverters and panels for carbon neutrality.
Certified 15+ year supplier offering flexible trade terms (EXW/FOB/DDP) and remote technical guidance.
With a production history since 2007, our facility in the Xiangyang Industrial Zone integrates advanced R&D with rigorous ISO9001:2008 standards. We ensure a 100% yield through multiple stages of technical debugging, delivering certified power solutions to over 20 countries worldwide.
Engineered with high-sensitivity response technology to ensure a consistent, safe voltage output.
uilt with premium copper/aluminum materials for superior heat dissipation and low energy loss.
High-efficiency power conversion optimized for solar photovoltaic ecosystems.
A three phase auto transformer changes the voltage of a three-phase AC supply while keeping all three phases electrically connected through shared windings. Its main function is to step voltage
Our products are trusted for their superior quality and reliability. Fill out the form and we will answer any questions you may have.
