Custom OEM Power Amplifier Manufacturer & Factories

Precision Engineering, Advanced Power Systems & Custom OEM/ODM Solutions for Global Telecommunications and Industrial Operations

The Global Paradigm of Precision Power Amplification & Conversion

In the modern telecom and industrial sectors, high-frequency signals and massive electrical infrastructures demand incredibly stable power conversion mechanisms. Whether deploying RF power amplification stages for 5G network transceivers or designing sub-grid switching units for heavy industrial automation, power delivery components define operational integrity. The transition towards next-generation semiconductors like GaN (Gallium Nitride) and SiC (Silicon Carbide) requires modular systems to deliver ultra-low noise, high efficiency, and thermal mitigation.

Our factories specialize in bridging the gap between raw grid feed and delicate high-performance architectures. We manufacture industrial rectifiers, high-efficiency DC-DC systems, and robust sine-wave inverters that ensure clean, filtered power flows into vital amplifier circuitry, protecting system integrity and minimizing signal degradation.

Guangzhou EVS Powers Co., Ltd., is located in international trade city Guangzhou. Our Company EVS is a professional manufacturer of switching power supply, DC power system, power supply units, DC DC converter, power inverter series power system product and other OEM ODM electronics products according to customer's request. We regard clients' satisfaction as our top task, products' quality as the basis of development, cost-saving as our competitive advantage. With the excellent credit standing and the premier service, we have won the high reputation and long term cooperation from customers between domestic and foreign, such like the Europe, South and North America, Australia, Middle East, Southeast Asia and other areas. With good faith oriented, we would like to share our knowledge, technology and experience with our partners so as to cooperate with more customers for mutual benefit and development. We will do our best to provide the good quality, the best service, the competitive price for our old and new customers. With the development of economy, we are looking forward to cooperating with you in the near future. Let's work together to create a new future of the electronic world. Please Contact us now.
95%
Peak Efficiency
15+
Export Regions
2U/1U
Compact Form Factor
Guangzhou EVS Powers Manufacturing Facility

Macro-Level Industrial Solutions

Providing specialized engineering matrices to power industries that demand uninterrupted operations and absolute signal fidelity.

Telecom & 5G Base Stations

Delivering high-efficiency 48V rectifier architectures and DC-DC power converter rack-mount enclosures. Supporting ultra-wide bandwidth power amplifiers (PA) at remote radio heads (RRH) with low noise floor characteristics.

Industrial Power Amplification

Providing heavy-duty power backbones for sonar transceivers, active vibration dampening controllers, and industrial RF heating elements requiring high-voltage precision feeding.

Smart Grid & Critical Infrastructure

Ensuring modular power continuity with 110V/220V rack-mount rectifiers and inverters that support rugged localized control units. Operating effectively in harsh environmental situations.

Technical Roadmap & Material Optimization

Unveiling the engineering principles driving our next-generation OEM architectures.

01

GaN Integration

Transitioning from silicon-based switches to Gallium Nitride for faster switching frequencies, reducing electromagnetic interference footprint.

02

Advanced Cooling

Optimizing active air-flow modeling and utilizing high-performance heat sinks, ensuring operational stability under extreme thermal loads.

03

Adaptive DSP

Enabling direct digital control interfaces (RS485, CAN bus) for real-time electrical parameter monitoring and system status alerts.

04

Resonant Topologies

Utilizing LLC resonant half-bridge design patterns to reduce switching power losses and secure industry-leading efficiency levels.

Rigorous Production & Assembly Protocol

Each OEM component progresses through our automated manufacturing line to guarantee high quality and product consistency.

Wire Cutting Process
Wire Cutting
Component Plug-In
Plug-In
Soldering Tin Process
Soldering Tin
Operational Testing
Test
Glue Filling Protective Layer
Glue Filling
Burn-In Stress Testing
Burn-In Test
Secure Packaging Setup
Packaging
Winding Machine Execution
Winding Machine
Wire Cutting Machine Automation
Wire Cutting Machine
Automatic Soldering Station
Automatic Soldering Machine
Laser Engraving Marking
Laser Engraving Machine
Canning Machine Processing
Canning machine
Main Assembly Line Setup
Assembly Line

Metrology & Product Verification

Operating with a high standard of engineering execution, our testing lab screens each product for electrical anomalies, thermal weaknesses, and signal discrepancies prior to shipment. By exposing hardware to simulated environmental extremes, we confirm long-term field stability.

EVS Metrology Lab Overview
DC Power Supply Tester
DC Power Supply Tester
AC Withstand Voltage Tester
AC Withstand Voltage Tester
Constant temperature and humidity chamber
Constant Temperature & Humidity Chamber
Optical microscope
Optical Microscope Analysis
Aging test
High Load Aging Test
Design phase
CAD/Hardware Design

Local Support & Global Compliance Standards

Our solutions conform to international regulatory standards to support simple system integration.

Electromagnetic Compatibility (EMC)

Engineered to minimize radiated and conducted emissions, our power supplies align with FCC Part 15 and EN55032 Class B thresholds to safeguard nearby amplifier chains.

Safety Certifications

We build our designs to support standard industry certifications, including CE, RoHS, and safety margins compatible with UL 62368-1 for telecom and data technology installations.

Localized Logistic & Engineering Channels

Providing direct consulting and engineering support across key hubs in Europe, the Americas, and the APAC region to assist in smooth OEM deployment.

Technical & OEM Procurement FAQ

Common questions from engineering leads and procurement partners regarding our custom production capabilities.

Q. What customization parameters do you support for rack-mount rectifiers?
We support custom configurations for input voltage profiles (110VAC to 380VAC), targeted DC output levels (including 24V, 48V, 110V, and 220V), specialized communication protocols (such as RS485, CAN, or SNMP), and customized physical dimension adjustments for 1U or 2U enclosures.
Q. How do your systems safeguard sensitive power amplifiers from electrical interference?
Our rack-mounted power architectures feature localized multi-stage EMI filters, low ripple-noise coefficients, and transient suppression features that prevent voltage fluctuations from impacting connected amplifier circuits.
Q. What steps are taken to verify quality for large-scale production orders?
Every OEM module undergoes automated testing, including high-load aging, AC withstand voltage testing, and automated optical microscope inspections to verify SMT precision before final packaging.
Q. What thermal mitigation options are available for outdoor installations?
For IP65 battery cabinets and remote installations, we provide integrated climate-control options like thermoelectric coolers, direct forced-air convection systems, and custom R134a refrigerant air conditioners.