Industrial UV Leak Detection Lamps

Locate leaks quickly with powerful UV intensity for automotive and industrial inspection.

Fluorescent Leak Detection Dyes

Reveal hidden micro leaks with high-performance fluorescent dye technology

Advanced Bioscience Lighting

Integrated solutions including LED light sources, collimated illumination, and fiber-coupled laser systems.

Surface Defect Inspection Lamps

Detect micro defects down to 1 μm on semiconductors, wafers, LCDs, glass surfaces, etc.

Non-Destructive Testing (NDT) Solutions

Engineered with advanced multi-lens optics for penetrant testing (PT) and magnetic particle inspection (MT), compliant with ASTM E3022 and RRES 90061.

Explore Optical Inspection Solutions

Leak Detection Solutions

Bioscience Lamps

Surface Defect Inspection Lights

NDT UV Lamps

NDT UV lamps

Since

1999

About Sunlonge

A Professional Manufacturer of Non-Destructive Testing Equipment and Specialty Lighting

SUNLONGE , established in 1999, is headquartered in Hong Kong with factories and an R&D team in mainland China. We specialize in NDT and specialty lamps. Our core expertise includes advanced high-pressure gas discharge technology and precision optical lens and filter combinations. We offer non-standard custom manufacturing tailored to unique customer requirements.

Eco-friendly Fluorescent UV Dye

High-performance UV dyes enable fast, accurate leak detection across multiple systems.

Multi-Lens Optical Engineering

Advanced optics deliver precise defect detection and efficient large-area inspection.

Custom Industrial Inspection Solutions

Tailored inspection solutions for industrial, automotive, and laboratory applications.

Exceptional Service & Support

15+ years of industry experience, providing responsive technical support from consultation to after-sales.

Sunlonge Applications

Engineered for Critical Inspections Across Industries

Automotive & HVAC

Precision inspection solutions for engine components, HVAC ductwork, and system diagnostics to reduce downtime and ensure optimal performance.

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Plumbing & Water Systems

Clear visual inspection of pipes, drains, and water networks to locate blockages and leaks with minimal excavation.

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Bioscience & Laboratory

High-resolution, contamination-free inspection for cleanrooms, sensitive equipment, and containment systems.

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Semiconductor & Precision Electronics

Ultra-high-resolution imaging for wafer inspection, micro-component alignment, and cleanroom quality control.

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Energy, Aerospace & Heavy Industry

Rugged inspection tools for turbines, pipelines, and structural components in high-temperature and hard-to-reach environments.

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Latest News

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Industrial UV Leak Detection Lamps

Fluorescent Leak Detection Dyes

Advanced Bioscience Lighting

Surface Defect Inspection Lamps

Non-Destructive Testing (NDT) Solutions