ISO Certified Manufacturer
LED Lighting Component
Die Casting
Trusted by international brands to produce die cast aluminum heat sinks and housings with the tight tolerances and surface quality your specifications demand.
LED Lighting Heat Sink & Housing Production
JoinCast manufactures aluminum die-cast heat sinks and housings for LED lighting fixtures where thermal management directly determines component longevity and performance consistency. For over two decades, we have supplied LED components to North American and European lighting manufacturers, with production serving street lighting, high-bay warehouse fixtures, commercial floodlights, and architectural lighting requiring sustained operation without thermal degradation.
At Joincast our technology and automation delivers high accuracy and repeatable precision for LED lighting heat sinks and fin structures. At our Taiwan-based production facility, we serve global brands with high-quality, reliable, and ISO-certified quality components that brands can rely on.
Integrated
Heat Sink Geometries
Thermal
Conductivity Optimization
Powder Coating
for Outdoor Durability
Certifications & Quality
ISO-Certified Quality & Advanced Inspection Component Inspection
We use Keyence 3D Scanning Systems for dimensional verification and 3D CMMs for micron-level dimensional accuracy verification
- Keyence 3D Scanning
- Mitutoyo 3D CMM Verification
- Dedicated 10 Member QC Team
Complete Manufacturing Solution
From Design to Delivery: Full-Service Die Casting
At Joincast we keep every critical process in-house at Joincast, operating from a 9,900 m² facility to deliver dependable lead times and consistent quality. Across three production sites, we run die casting machines (135T–900T), CNC machining centers with automation, plus fully integrated surface treatment lines.
From small precision parts to castings up to 3 kg, we process ADC-12 / A360 and ADC-3 / A383 aluminum alloys in a 24-hour, single-supplier operation.
Our Production Capabilities
Mold Engineering
Die Casting
Polishing & Shot Blasting
CNC Machining
Surface Treatment
TPR Insert & Printing
Quality Inspection
