
High-efficiency industrial lighting for demanding global operations
cesw manufactures DLC-listed and UL-compliant high bays, floodlights, and custom linear fixtures with rapid engineering turnaround for distributors and contractors.

190 lm/W high-efficiency die-cast heatsink & anti-glare lens

High-speed surface mount lines & 100% 4-hour burn-in aging
DLC Premium aisle optics engineered for 12m+ warehouse racking
Certified compliance for North American and European markets
Every fixture is engineered and tested to satisfy strict utility rebate standards and electrical safety codes worldwide.
DesignLights Consortium Qualified
Meets strict light output and efficacy requirements to qualify contractors for maximum utility energy rebates across North America.
North American Safety Standards
Rigorous electrical and thermal compliance testing ensures safe operation in damp, wet, and high-heat industrial locations.
European Union Conformity
Certified electromagnetic compatibility, low-voltage safety, and strict restriction of hazardous substances for European projects.
Global Interchangeability & Ingress Protection
Standardized test reports for international market access and sealed optical housings resistant to dust, water jets, and heavy vibration.
Direct factory capabilities for distributors and contractors
We combine in-house optical engineering, rapid tooling, and automated production to safeguard your delivery schedules and project margins.
Deep OEM and ODM engineering
Custom optical distributions, heatsink extrusions, mounting brackets, and branded driver integrations tailored to your specification.
Fast lead times and dependable capacity
Dedicated SMT lines and aging racks deliver standard batch orders within 15 to 20 days with dependable monthly output.
Certified North American and EU compliance
Direct laboratory pre-testing and certified DLC, UL, and CE documentation ready for quick contractor submittals.
Engineered for high-stress industrial environments
cesw luminaires are built to withstand dust, moisture, vibration, and extreme temperature fluctuations across diverse industrial sectors.
Heavy manufacturing and metal fabrication
High-output linear and round high bays with anti-glare optics and robust die-cast housings resistant to vibration and ambient heat up to 55°C.
High-rack logistics and cold chain warehousing
Narrow-beam aisle optics, instant cold-start drivers, and integrated microwave motion sensors optimized for 12m+ warehouse racking.
Harsh, washdown, and hazardous locations
IP66/IP69K vapor-tight and IK10 impact-rated enclosures with corrosion-resistant powder coatings for washdown and outdoor yard areas.
End-to-end OEM and ODM customization workflow
A structured manufacturing path from photometric simulation to final export container loading.
Photometric and optical planning
Goniophotometer & Ray-TracingWe review target lux requirements and beam spread needs, selecting optimal LED packages and secondary lenses for uniform illumination.
Thermal modeling and housing tooling
CFD Thermal Simulation & 3D Mold ToolingOur engineers run thermal simulations and cut custom die-cast heatsink molds to ensure optimal heat dissipation and long driver life.
Rapid prototyping and pre-compliance
7-10 Days Fast Prototype DispatchPhysical samples are built in 7 to 10 days for goniophotometer testing, thermal shock validation, and DLC/UL compliance pre-scans.
Batch assembly and burn-in testing
Automated SMT & 100% 4h Aging RackHigh-speed SMT placement followed by 100% 4-hour burn-in aging and automated dielectric testing prior to carton and pallet packing.
Get your engineering quote and photometric plan
Upload your CAD drawings, schedule of fixtures, or OEM specs. Our technical sales engineers return quotes and IES files in 24 hours.
Submit Project Inquiry / RFQ
OEM / ODM Customization & Volume Orders
Submit your project inquiry or request for quote
Provide your project parameters, volume requirements, or custom specifications below. Our overseas engineering desk will follow up promptly.