Flagship Technology 0.75mm Ultra-fine Industrial boresocope, Redefining the Limits of Precision Inspection
Based on independent research and development, full-industry chain control, and military-grade quality control, it has officially launched a 0.75mm ultra-fine industrial endoscope, breaking the foreign technology monopoly and pushing the technological threshold of domestically produced ultra-fine endoscopes to a globally leading level. It has become the preferred domestic testing equipment in high-end fields such as aerospace, energy and power, and precision manufacturing.
- 0.75mm: As thin as a hair, yet as strong as a rock. VSNDT's 0.75mm ultra-fine probe, with a diameter of only 0.75 millimeters, is close to the thickness of a human hair and is one of the thinnest industrial endoscopes currently commercially available in China. While appearing slender, it actually employs a composite process of military-grade stainless steel + four layers of tungsten wire braiding + PI special coating, achieving both extreme flexibility, bending resistance, tensile strength, and light leakage prevention. It can withstand repeated high-intensity use without breaking or damaging the delicate innerwall.


- Extreme Penetration: Easily penetrates ultra-small apertures of 0.8mm and above, deep cavities, and narrow slits, completely solving the industry pain points of traditional 1.0mm and above probes, such as "inability to enter, jamming, and scratching workpieces."
- Ultra-High-Definition Imaging: Equipped with a 160,000-pixel ultra-high-definition miniature sensor, combined with a rear-mounted fiber optic cold light source and AI noise reduction and enhancement algorithms, it maintains true color and sharp details even in micron-level spaces. Minor defects such as cracks, pores, corrosion, and burrs are clearly visible, ensuring no missed detections or false positives.
- Precise Steering:The front end supports 360° omnidirectional stepless tilting, with a large angle of ≥180° in all directions. Smooth operation and precise positioning ensure comprehensive coverage of complex cavities without blind spots. No need for repeated insertion and removal adjustments, improving detection efficiency by more than 3 times.
- Aero-engine Blade Inspection: Leading Market Share, Domestic Benchmark Aero-engines are the "crown jewel of industry." Areas such as blade cooling channels, film cooling pores, combustion chambers, and turbine blade roots typically have pore diameters ranging from 0.8 to 1.2 mm. These areas are complex in structure, thin-walled and easily damaged, with minute defects (micron-level cracks). For a long time, foreign brands monopolized the inspection equipment for these areas.
VSNDT's 0.75mm ultra-fine endoscope, boasting five core advantages—**accessibility, clear visibility, smooth rotation, accurate measurement, and no damage to components**—has become the leading domestic brand in the field of aero-engine blade inspection. It is widely used in:
- Inspection of surface cracks, ablation, pitting, and edge curling on high-pressure/low-pressure compressor blades and turbine blades of aero-engines;
- Inspection of internal blockages, scaling, and internal wall damage in cooling channels and film cooling vents (the 0.75mm probe passes through a 0.8mm aperture, leaving sufficient clearance to avoid scratching the internal wall, improving inspection completeness by 40%);
- Quality inspection of concealed spaces such as combustion chambers, flame tubes, fuel nozzles, and hydraulic lines.
- Actual application data shows that in aero-engine maintenance scenarios, VSNDT'ssolution reduces the missed detection rate to near zero, increases inspection efficiency by 3 times, and reduces equipment procurement and after-sales costs to only 1/3 of imported brands, completely solving the dilemma of domestic enterprises being "unaffordable, unable to wait, and unable to repair."
- Full-Scenario Coverage: From Aviation to Energy, From Precision Manufacturing to Infrastructure VSNDT'sindustrial endoscopes are not just products for a single field, but rather a domestically produced flagship product applicable to all industries, adaptable to all scenarios, and covering all specifications:
- Energy and Power: Detection of corrosion, scaling, cracks, and foreign objects inside boiler pipes, turbine blades, wind turbine gearboxes, pressure vessels, and nuclear power pipelines; online inspection without shutdown or disassembly, avoiding millions of dollars in downtime losses;
- Automotive Manufacturing/New Energy: Inspection of internal defects in engine air passages, transmission cavities, electric drive system pipelines, and precision castings; adapted for batch quality inspection on assembly lines, improving yield rates and reducing rework costs;
- Precision Manufacturing/Molds: Detection of ejector pin holes, deep cavity molds, shrinkage cavities, inclusions, and cracks in precision castings; reducing half a day's work to 2 hours; full inspection replaces sampling inspection, significantly reducing defect rates;
- Bridges/Infrastructure: Inspection of internal corrosion, cracks, and voids in box girders, steel structure welds, and pile foundation pipelines; safeguarding the structural safety of major engineering projects.
- Domestically Developed, Worry-Free After-Sales Service: The Responsibility and Commitment of a National Brand
As a 100% domestically developed, self-produced, and self-sold industrial endoscope manufacturer, VSNDT possesses a complete R&D, production, testing, and after-sales system. Its core technologies and components are entirely self-controlled, free from foreign technological blockades and supply chain restrictions.
- Strong Customization Capabilities: We can customize 0.75mm–6mm full-specification probes, 0.5m–30m full-length pipelines, and special models such as high-temperature resistant/explosion-proof/waterproof and dustproof models according to customer needs.
- Fast After-Sales Response: Shenzhen headquarters + nationwide service network, 24-hour technical support, 48-hour on-site service, and lifetime maintenance, far surpassing imported brands' "slow after-sales service, expensive repairs, and long parts cycles."
- Extremely High Cost-Effectiveness: With equivalent performance, the price is only 1/3–1/2 of imported brands, allowing domestic enterprises to enjoy international-level testing technology at a lower cost.

In conclusion, from the technological breakthrough of the 0.75mm ultra-fine probe to market leadership in the field of aero-engine blade inspection, and then to deep coverage of all industry scenarios, VSNDT has always adhered to the core principles of **"independent technology, superior quality, attentive service, and value-driven development"**, and is committed to becoming a leading global national brand of industrial endoscopes. It safeguards China's high-end manufacturing and precision inspection industries, and helps China's manufacturing industry move from a "large country" to a "strong country".