01
Precise CC / CV
Controlled constant-current and constant-voltage output supports consistent oxide formation.
Anodizing Industry
Precise DC Power for Consistent Anodizing.
QEEHUA anodic oxidation power supplies provide accurate, configurable DC output for aluminum oxidation processes—helping control oxide growth, finish consistency and production repeatability.
Aluminum alloy oxidation Hard & micro-arc oxidation Oxidation coloring
QEEHUA RectifierPrecise DC
0–150 VConfigurable DC output
0–100 kACurrent range available
≤0.5%Voltage & current accuracy
30Process segments available
Why the power supply matters
Power control shapes the oxide layer.
In anodizing, stable electrical control directly affects the growth rate, thickness, hardness and appearance of the oxide film. The right power supply keeps the process within its intended window.
Built for the profile your process requires.Match voltage, current, waveform, cooling and control method to the alloy, tank and quality target.
02
Pulse Capability
Multiple waveform options help meet hard anodizing and advanced oxidation requirements.
03
Step Output
Preset voltage, current and time changes for repeatable, multi-stage processes.
04
Flexible Control
Local or remote control, with timing functions for production-line operation.
Anodizing process coverage
Configured around your oxidation process.
QEEHUA supports the different electrical profiles required by standard aluminum oxidation, hard anodizing, coloring and advanced surface treatment.
01 / ALUMINUM
Aluminum Alloy Oxidation
Accurate DC control for stable oxide-film growth and repeatable production quality.
02 / HARD COAT
Hard Anodizing
Programmable output and pulse capability for demanding high-hardness processes.
03 / COLORING
Oxidation Coloring
Step-based profiles help manage complex voltage, current and time requirements.
04 / ADVANCED
Micro-Arc Oxidation
Flexible waveform control for high-demand surface treatment applications.
QEEHUA power solutions
Choose the control platform your process needs.
Explore rectifier families suited to controlled anodizing, pulse output and specialized surface treatment.
Precise DC outputView product →
Anodic Oxidation Power Supply
Configurable, accurate DC power for aluminum anodizing and controlled oxidation.
OUTPUT0–150 V
CURRENT0–100 kA
Waveform controlView product →
Frequency Pulse Power Supply
Flexible waveform editing and data tracking for complex oxidation processes.
OUTPUT0–110 V
CURRENT0–5,000 A
Process-specific DCView product →
Surface Treatment Rectifier
Application-matched power for industrial finishing and specialized coating processes.
COOLINGAir / Water
OUTPUTCustomized
Built around the line
Engineered for the realities of anodizing production.
Correct output is only one part of a reliable oxidation line. QEEHUA evaluates the operating conditions and control detail around the tank.
✓
Programmable process profilesStep output can follow predefined changes in voltage, current and time as the process requires.
✓
Cooling matched to the dutyAir or water cooling configurations support the required current, duty cycle and installation conditions.
✓
Waveforms for complex oxidationDC, single pulse, superimposed pulse and positive-negative pulse options are available.
✓
Reliable start and protectionLoad start and protective functions support stable operation through the production cycle.
Before requesting a quote
Tell us how your anodizing line runs.
The right configuration starts with the key electrical and process details.
01
Oxidation process & finish
Standard, hard, coloring, micro-arc or another aluminum surface treatment process.
02
Required output
Voltage range, current range, current density and the required accuracy level.
03
Waveform & program
DC, pulse, step profile, timing requirements and the number of process stages.
04
Cooling & installation
Available ventilation, water circuit, cabinet location and ambient operating conditions.
05
Control & production scale
Local or remote control, automation interface, project capacity and future expansion needs.
Manufacturing & quality
From process review to full-load testing.
Every project connects the required electrical configuration with practical manufacturing and verification.
Requirement Review
Confirm oxidation process, current density, cooling, input power and control needs.
Electrical Design
Select modules, cabinet structure, control interface and protective functions.
Assembly & Inspection
Complete wiring, cabinet finishing and production-stage quality checks.
Full-Load Testing
Verify output stability, protection response and delivery documentation.
Ready to improve your
anodizing power?
Tell QEEHUA your production requirements and receive a practical configuration recommendation.