Thermal Management Solutions
Custom Aluminum Heat Sinks
From thermal design to volume production — precision heat sinks for LED lighting, electronics, power systems and industrial equipment.
Engineering Heat Sinks for Reliable Thermal Performance
ONTOPS manufactures custom aluminum heat sinks using extrusion, die casting and precision CNC machining. We support customers from design optimization and prototype development through stable mass production.
Our engineering team optimizes fin geometry, surface area, alloy selection and finishing processes to meet thermal, dimensional and environmental requirements.
Integrated manufacturing provides consistent quality, shorter lead times and competitive OEM production costs.
Manufacturing Capabilities
Custom extrusion profile design and die development
Skived, bonded and forged heat sink solutions
High-pressure and gravity die casting
Anodizing, powder coating, passivation and custom finishing
CNC milling, drilling, tapping and precision cutting
Technical Specifications
Aluminum alloys
6063, 6061, ADC12, A380
Manufacturing
Extrusion, die casting, CNC machining
Fin options
Extruded, skived, bonded and machined
Surface finish
Anodized, powder coated, passivated
Service
Prototype to high-volume production
Why Choose ONTOPS Heat Sinks?
Optimized Thermal Design
Fin geometry and surface area are engineered for efficient heat dissipation.
Application-Specific Solutions
Every product can be customized for its load, airflow and installation requirements.
High Dimensional Accuracy
Precision machining ensures reliable assembly with electronic components.
Stable Mass Production
Controlled processes support repeatable quality for long-term OEM programs.
Integrated Production
Extrusion, casting, CNC and finishing are managed through one supply partner.
Typical Applications
LED Lighting
Power Electronics
EV Components
Telecommunications
Industrial Automation
Solar Inverters
Request a Competitive Quote Today
Looking for a reliable high-pressure aluminum die casting OEM in Vietnam with international quality and competitive costs?
Send your RFQ with a 3D design file — the Ontops engineering team will respond within 24–48 hours.
ISO 9001 Certified
RoHS / SGS Compliant
