Custom Aluminium Die Casting for LED Lighting & Urban Infrastructure

Expert Thermal Management Solutions (96 W/m·K) and IP67 Structural Integrity. IATF 16949 Certified Production from China and Malaysia.

Download Lighting DFM Guide

Solving Lighting-Specific Failure Modes

In commercial and industrial lighting, “good enough” casting is a liability. Whether you are a Product Engineer focused on thermal junctions or a Procurement Manager mitigating tariff risks, the Bolang lighting application page addresses the critical technical gaps found in generic die casting.

Thermal “Insulation” Risks

Standard castings often hide sub-surface porosity. For LED heatsinks, these air pockets act as insulators, causing premature diode failure. We utilize 50 mbar Vacuum-Assisted Die Casting to ensure <0.5% porosity in cooling fins.

The “Peeling Paint” Nightmare

Outdoor luminaires face extreme humidity and UV. Unlike automotive parts, lighting housings require a Class-A finish that survives the Boiling Water Cross-Cut Test. Our Malaysia facility offers in-house automated powder coating designed for 10-year durability.

IP67/68 Sealing Failures

Minor warping in large street light housings leads to gasket gaps. We don’t rely on casting tolerances alone; we use Brother Speedio CNCs to mill O-ring grooves to a flatness of 0.05mm.

Strategic Connection: While our Die Casting Services focus on 53mm thick-wall parts for machinery, our lighting application specializes in 1.5mm thin-wall cooling fins where high-density flow is critical for thermal dissipation.

Technical Capability Matrix for Lighting OEM

Requirement	Bolang Solution	Technical Metric
Thermal Conductivity	Primary ADC12 & AlSi10Mg Alloys	96 W/m·K to 150 W/m·K
Ingress Protection	CNC Milled Gasket Surfaces	0.05mm Flatness Tolerance
Coating Adhesion	Boiling Water Cross-Cut Test	ISO 2409 / ASTM D3359 Grade 5B
Geopolitical Safety	Dual-Shore Manufacturing	Low US Section 301 Tariffs

Precision LED Lighting Housing with Internal Ribs

Tariff Engineering & Supply Chain Resilience

For US and EU based lighting brands, the “China + Malaysia” model is no longer optional—it is a competitive necessity. Bolang’s Rongkun (Malaysia) facility provides more than just a shipping point. It is a full-scale manufacturing hub for lighting housings.

Bolang Rongkun Malaysia Factory Facility

Ningbo Hub: High-precision tool design and DFM simulation for complex heatsink geometries.
Perak Hub: Massive scale production, automated powder coating, and direct export with 0% anti-dumping duties.
Integrated QC: Same CNC precision standards (Brother/Fanuc) across both sites to ensure global consistency.

Lighting Application FAQ

Q: How do you prevent corrosion in coastal or marine lighting environments?

A: We utilize a specific non-chrome passivation process followed by marine-grade powder coating (80-120μm). All parts undergo 1000-hour neutral salt spray testing and our signature boiling water test.

Q: Can you cast cooling fins with 1.5mm thickness?

A: Yes. By using multi-stage vacuum extraction and advanced mold flow analysis, we achieve thin-wall structures that maximize surface area without cold-shut defects. Read more in our High-Precision Products section.