Frequently Asked Questions.
Frequently Asked Questions.
You can check our frequently asked questions, or feel free to reach out to us if you can’t find the answer you’re looking for.
——————————————
The best way to determine if a QBH borescope suits your specific inspection needs is to take part in our Free Borescope Demo Program. For more information on warranties and product details, visit our Product page or feel free to reach out to us.
Company & Services FAQ
A:
- Inquiry & Quotation: Request a quotation (including product price and shipping cost), discuss details, and confirm the sample or order.
- Order Confirmation: Provide necessary information, review and draft the order contract on our website, make the payment, and proceed with production.
- Production & Delivery: Once goods are ready, we’ll arrange delivery. You will then sign and confirm the product, paving the way for further cooperation.
Customization Options:
- Logo, Label, and Packaging: Customization is available for orders over 1,000 pieces. We offer free OEM logo and packaging services.
A:We are a high-tech enterprises and passed the GB/T19001-2016 ISO9001:2015 QUALITY MANAGEMENT SYSTEM CERTIFICATION,All products
passed ROHS, CE, FCC Certificate and test one by one to ensure 100% work well before shipment.
A: No,dear.Unless you place a trial order.
A: Yes,dear.We certainly do custom products.
A: Yes,dear.It’s our catalog which will give a good idea of the products we handle.
A: MOQ for Our Industrial Borescopes, We typically offer flexibility with our minimum order quantity (MOQ). For our industrial borescopes, the MOQ is often 1 piece. If you have specific needs or require a customized solution, please feel free to contact us to discuss your requirements.
A: 100% advanced payment for sample orders. 30% in advance and 70% before shipping for bulk order. Bank Transfer TT, Alibaba online payment are supported.
A: We provide 12 months warranty for each products. Free replacement for any quality problems. If human factors, we can repaire, but clients share pay for the shipping to us and back to them. We also have failure rate for each bulk order.
A: Our sales team will provide a quote for the sample cost, including shipping. If you place a bulk order, we will deduct the sample cost from your total order. For our long-term business partners, we offer free samples of new products.
A: We are ISO9001 approved factory with advanced production equipments, which allows us big production capability. We provide services for famous Auto Aftermarket Companies, Tool Companies and Chain Markets abroad. Customers highly recognize our quality and services.
Borescope Inspection Camera FAQ
A: Yes, durability is our core strength. The articulation joint, bending neck, and outer layer of our steerable inspection camera are sealed with specialized tungsten mesh and high-grade polymers. The entire insertion tube is IP67 waterproof and fully resistant to engine oil, gasoline, brake fluid, and common workshop solvents.
Q: Why should automotive workshops choose an inspection camera with movable head over a rigid probe?
A: A standard rigid camera requires constant manual twisting and often misses blind spots. An inspection camera with movable head provides effortless multi-directional viewing. By using our advanced steering joystick, technicians can navigate complex casting passages and pipelines safely, significantly reducing the risk of getting the probe stuck during automotive diagnostic procedures.
Q: How does the image clarity of your 1080p articulating borescope perform in dark engine cylinders?
A: The QBH 1080p articulating borescope is equipped with a true full-HD image sensor and adjustable high-intensity LEDs. Even inside pitch-black engine chambers, this steerable inspection camera delivers razor-sharp images and fluid real-time video, making it easy to detect minor scratches, carbon buildup, and micro-cracks.
A: Our industrial-grade steerable borescope series features a highly responsive mechanical or electronic steering mechanism, achieving a full 180 degree rotation borescope capability. This allows the probe to turn completely back on itself to inspect upper valves and hard-to-reach angles within automotive components.
A: We offer a 1-year comprehensive warranty on all products. Since an automotive scope camera (especially a borescope with articulating head) operates in harsh environments, our warranty covers manufacturing defects, sensor issues, and the steering articulation mechanism under normal usage conditions.
A: For standard configurations of our borescope for engine inspection, the lead time is typically 7–15 working days. For bulk orders or customized batches involving specialized tools like the borescope cylinder inspection camera, the lead time may vary between 20–30 days depending on the customization complexity.
A: Yes, we offer full OEM/ODM customization. Whether you need to customize the probe diameter, cable length, or software interface for an engine inspection borescope, or print your logo on an engine cylinder borescope, our R&D team can tailor the product to your specific market demands.
A: Absolutely! We highly recommend ordering a sample of our automotive inspection camera or automotive scope camera to test its clarity, articulation fluidity, and build quality in a real workshop environment before committing to a larger wholesale or OEM order.
A: Unlike low-end tools, a QBH automotive borescope features industrial-grade durability, high-definition image sensors, and oil/water resistance. Our premium automotive endoscope camera modules offer superior clarity, while our signature borescope with articulating head ensures a full 360-degree view without lag, allowing mechanics to catch hidden defects that cheaper models miss.
A: We are a professional manufacturer specializing in visual inspection tools. All of our products, including the advanced articulating automotive borescope and customized solutions, are designed and produced in our own factory, ensuring top-tier quality control and competitive pricing.
A: As a leading industrial borescope manufacturer, QBH presents the US19, our latest high-end borescope. Featuring a 200-megapixel camera and 360° rotation, it provides crystal-clear images and videos for precise inspections. The US19 is QBH’s best solution for all your industrial inspection needs.
A: ① The automotive borescope is an advanced inspection tool used to check car engines, components, and other hard-to-reach areas.
② It can easily access narrow spaces like the engine bay and wheel wells, providing clear real-time images. The borescope’s probe can rotate, extend, and bend to inspect various angles and positions.
③ Automotive borescopes are typically compact and lightweight, making them easy to carry and operate.
A: ① During driving, the car may experience issues such as engine shaking, difficulty in cold starts, and lack of power.
② Due to fuel quality, traffic congestion, and air quality, the fuel system (injectors, spark plugs, valves, and combustion chamber) accumulates carbon deposits, affecting fuel combustion and causing stalling.
③ High fuel consumption, excessive oil consumption, and exhaust emissions exceeding standards.
A: QBH Video borescopes are MIL-STD 810G certified.
Car Visual Air Conditioning Cleaning Gun FAQ
A: At QBH, we understand that for global tool brands and chemical distributors, timing is everything. Our production cycles for the Visual Evaporator Cleaning Tool are optimized for both large-scale OEM projects and urgent market demands:
Standard Production Orders (500–2,000 units): Typically ship within 25–30 days from the date of final order confirmation and artwork approval.
Rush & Express Orders: To support your urgent promotional campaigns or sudden stock-outs, we can accommodate rush orders with a 15-day express timeline through our dedicated rapid-assembly lines.
Safety Stock Program: For our long-term B2B partners, we maintain a rolling safety stock of popular evaporator cleaning tool models and core components (HD camera modules and high-pressure valves), allowing for immediate dispatch of trial orders or top-up shipments.
Custom OEM Projects: For deep-customization projects (custom mold colors or unique handle designs), the lead time is typically 35–45 days to ensure rigorous quality control and stress testing.
A: Definitely. We provide a “B2B Marketing Pack” which includes high-definition white-label (no logo) operation videos, 3D exploded view renders, and professional photography. You can directly use these assets for your catalogs, social media, and technician training sessions.
A: Yes. All QBH visual cleaning systems are fully certified with CE, RoHS, FCC, and REACH. We provide complete documentation to support your compliance audits, making it easy to integrate our products into your global supply chain.
A: We implement 100% AOI (Automated Optical Inspection) for every camera module and rigorous pressure leak testing for every gun body. We understand that for brands like Würth, a 1% defect rate is a significant brand risk. Our standardized QC process ensures the 10,000th unit is identical to the 1st.
A: We designed our system with a modular approach. The camera probe and the liquid tube are detachable and replaceable. Instead of buying a whole new gun, your customers can just order the replacement probe assembly. We also provide 1-year warranty support for our core B2B partners to ensure your brand reputation remains spotless.
A: We offer full-stack customization. This includes:
1. Branding: Laser-engraved logo on the gun body and startup logo on the LCD screen.
2. Hardware: Custom tube lengths (standard 1m, up to 3m) and nozzle spray patterns (Forward/Side/Fan).
3. Packaging: Custom blow-molded cases or high-end color boxes with your brand’s VI.
Customer Experience: “We recently helped a global tool brand design a unique ‘Brand Blue’ housing and a specific nozzle for Tesla AC cleaning, helping them capture a niche EV maintenance market.”
A: We use IP67-rated waterproof camera probes with 6-8 adjustable high-intensity LEDs. More importantly, our lenses feature a special anti-fog coating and a constant-pressure air channel that clears moisture away from the lens while spraying. This ensures the technician always has a 1080P clear view of the evaporator fins.
A: Absolutely. This is the most common concern for our chemical brand customers (like those in Germany). Our visual cleaning guns (e.g., AV7823) are equipped with industrial-grade Viton seals and corrosion-resistant internal valves.
Customer Experience: “One of our European clients tested our gun with high-concentration AC cleaners for over 500 cycles without a single leak, which led to them replacing their previous Italian supplier with QBH.”
A: We are a professional ISO-certified manufacturer based in Shenzhen, China, specializing in automotive visual maintenance systems and high-definition borescope technology for over 20 years.
Unlike generic trading companies, QBH owns the full supply chain—from high-precision camera module R&D to the final assembly of visual AC cleaning guns. We are the primary OEM/ODM partner for top-tier European and North American automotive tool brands (including Tier-1 chemical and tool giants). Our factory is strategically located near Hong Kong, ensuring efficient global logistics and rapid prototyping for custom branding projects.
Automotive Fluid Tester FAQ
A: Our products are compliant with CE, FCC, and RoHS standards. We ensure that our testing technology meets the rigorous accuracy requirements needed for professional automotive diagnostics in Europe, North America, and the Middle East.
A: As a leading manufacturer with 20+ years of experience, we offer full OEM/ODM solutions. This includes custom shell colors, logo silk-printing, multi-language UI development, and bespoke packaging for distributors looking to build their own brand identity.
A: Yes, our professional-grade testers are calibrated to support DOT 3, DOT 4, and DOT 5.1 glycol-based fluids. The firmware automatically adjusts the conductivity or chemical sensitivity thresholds based on the selected mode to ensure accuracy across different vehicle specifications.
A: Absolutely. Modern electronic testers and high-grade test strips are designed for repeatability. For fleet managers, these tools provide a standardized, auditable trail of vehicle health, ensuring that safety-critical components are replaced based on data rather than guesswork.
A: Based on market data, a professional brake flush service typically ranges from $70 to $125. For service centers, integrating a digital brake fluid tester into the initial inspection flow can increase service conversion rates by up to 30%, offering a “peace of mind” upsell that pays for itself within the first month of equipment use.
A: For B2B buyers, durability is key. Our testers are equipped with high-grade stainless steel or specialized alloy probes that resist chemical erosion from long-term exposure to caustic brake fluids. The robust industrial design is built to withstand the typical workshop environment—including oil exposure and accidental drops—ensuring a lower Total Cost of Ownership (TCO) for fleet managers and service chains.
A: To support the trend of “Digital Workshops,” we offer advanced models with Data Hold and optional Bluetooth connectivity. This allows technicians to show digital proof of fluid contamination directly to vehicle owners via a tablet or smartphone, significantly increasing service approval rates and providing a verifiable digital record for customer maintenance history.
A: Different brake fluid formulations (DOT 3, 4, 5.1) from various global brands have slight variations in conductivity. Our professional testers feature calibrated compensation algorithms that adjust for these chemical differences. This ensures that whether a technician is testing a premium synthetic fluid or a standard mineral-based one, the moisture or copper reading remains consistent and reliable, preventing “false positives” that could damage workshop credibility.
A: Copper serves as a “wear indicator” for the entire brake system. Since brake lines are copper-lined, their corrosion starts the moment fluid is added. High copper levels predict future damage to iron components and ABS plating, which can cause mechanical failure. While moisture testing is common, copper testing provides a more advanced diagnostic of the system’s internal chemical health.
A: The industry-recognized standard, established by the Motorist Assurance Program (MAP), mandates brake fluid replacement when copper levels reach 200 ppm. Using precision testers that align with these copper-level indicators ensures your shop remains compliant with global automotive maintenance protocols.
A: Regular testing is critical because brake fluid is hygroscopic and chemically unstable over time. Beyond preventing ABS module damage and reducing stopping distances, professional testing protects your workshop from liability by providing objective data. It ensures your clients receive “Stopping Insurance,” significantly enhancing service transparency and customer trust.
Pipe Inspection Camera FAQ
A: Unlike basic borescopes, our pipe inspection cameras are engineered for harsh environments. They feature long-range, high-tensile push rods (up to 120m), specialized skids for centering, and higher torque resistance to navigate complex pipe networks without signal loss or physical damage.
A: Our professional pipeline inspection systems are widely utilized in municipal engineering, plumbing, HVAC maintenance, oil and gas pipeline monitoring, residential sewer diagnostics, and industrial chimney inspections. They are essential tools for identifying blockages, structural cracks, and root intrusions.
A: We offer a range of interchangeable camera heads (from 17mm to 50mm). Our systems support inspections for pipes ranging from small residential drains (2 inches) to large-scale industrial and municipal sewer systems (over 12 inches).
A: Yes. The camera heads and push rods are IP68 waterproof and can be fully submerged in water. The lenses are protected by Scratch-resistant Sapphire Glass to ensure crystal-clear imaging even in abrasive underground conditions.
A: Most of our professional models include an internal Self-leveling mechanism that keeps the image upright regardless of the camera’s rotation. We also offer built-in 512Hz Sondes (Transmitters), allowing operators to pinpoint the exact location of the camera head from above ground using a standard locator.
A: Our flexible yet rigid fiberglass push rods are specifically designed to navigate 90-degree bends in standard 4-inch pipes. For smaller pipes (2-inch), we recommend our specialized mini-camera heads to ensure smooth passage.
A: Yes. To minimize downtime for professional users, we supply individual replacement modules, including interchangeable camera heads, spare push-rod reels, and control box components.
A: Standard bulk orders (100–500 units) usually take 15–25 business days. For private label or pilot batch projects, the timeline may vary based on component availability and customization complexity.
A: QBH products fully comply with international standards, including CE, FCC, RoHS, and KC certifications, ensuring your shipments meet the legal and safety requirements for distribution in Europe, North America, and Asia.
A: For standard models with custom logo branding, our MOQ is typically 50 units. For deep customization involving hardware or housing modifications, please consult our engineering team for a project-specific assessment.
A: Absolutely. As a source manufacturer, QBH provides comprehensive OEM/ODM solutions, including custom housing colors, private label branding, tailored cable lengths, and customized software interfaces for global distributors and Tier-1 tool brands.
Pre-Sales and After-Sales Service
A:
- Inquiry & Quotation: Request a quotation (including product price and shipping cost), discuss details, and confirm the sample or order.
- Order Confirmation: Provide necessary information, review and draft the order contract on our website, make the payment, and proceed with production.
- Production & Delivery: Once goods are ready, we’ll arrange delivery. You will then sign and confirm the product, paving the way for further cooperation.
Customization Options:
- Logo, Label, and Packaging: Customization is available for orders over 1,000 pieces. We offer free OEM logo and packaging services.
A:We are a high-tech enterprises and passed the GB/T19001-2016 ISO9001:2015 QUALITY MANAGEMENT SYSTEM CERTIFICATION,All products
passed ROHS, CE, FCC Certificate and test one by one to ensure 100% work well before shipment.
A: No,dear.Unless you place a trial order.
A: Yes,dear.We certainly do custom products.
A: Yes,dear.It’s our catalog which will give a good idea of the products we handle.
A: MOQ for Our Industrial Borescopes, We typically offer flexibility with our minimum order quantity (MOQ). For our industrial borescopes, the MOQ is often 1 piece. If you have specific needs or require a customized solution, please feel free to contact us to discuss your requirements.
A: 100% advanced payment for sample orders. 30% in advance and 70% before shipping for bulk order. Bank Transfer TT, Alibaba online payment are supported.
A: We provide 12 months warranty for each products. Free replacement for any quality problems. If human factors, we can repaire, but clients share pay for the shipping to us and back to them. We also have failure rate for each bulk order.
A: Our sales team will provide a quote for the sample cost, including shipping. If you place a bulk order, we will deduct the sample cost from your total order. For our long-term business partners, we offer free samples of new products.
A: We are ISO9001 approved factory with advanced production equipments, which allows us big production capability. We provide services for famous Auto Aftermarket Companies, Tool Companies and Chain Markets abroad. Customers highly recognize our quality and services.
Industrial Videoscope Inspection Camera FAQ
A: Yes, durability is our core strength. The articulation joint, bending neck, and outer layer of our steerable inspection camera are sealed with specialized tungsten mesh and high-grade polymers. The entire insertion tube is IP67 waterproof and fully resistant to engine oil, gasoline, brake fluid, and common workshop solvents.
Q: Why should automotive workshops choose an inspection camera with movable head over a rigid probe?
A: A standard rigid camera requires constant manual twisting and often misses blind spots. An inspection camera with movable head provides effortless multi-directional viewing. By using our advanced steering joystick, technicians can navigate complex casting passages and pipelines safely, significantly reducing the risk of getting the probe stuck during automotive diagnostic procedures.
Q: How does the image clarity of your 1080p articulating borescope perform in dark engine cylinders?
A: The QBH 1080p articulating borescope is equipped with a true full-HD image sensor and adjustable high-intensity LEDs. Even inside pitch-black engine chambers, this steerable inspection camera delivers razor-sharp images and fluid real-time video, making it easy to detect minor scratches, carbon buildup, and micro-cracks.
A: Our industrial-grade steerable borescope series features a highly responsive mechanical or electronic steering mechanism, achieving a full 180 degree rotation borescope capability. This allows the probe to turn completely back on itself to inspect upper valves and hard-to-reach angles within automotive components.
A: We offer a 1-year comprehensive warranty on all products. Since an automotive scope camera (especially a borescope with articulating head) operates in harsh environments, our warranty covers manufacturing defects, sensor issues, and the steering articulation mechanism under normal usage conditions.
A: For standard configurations of our borescope for engine inspection, the lead time is typically 7–15 working days. For bulk orders or customized batches involving specialized tools like the borescope cylinder inspection camera, the lead time may vary between 20–30 days depending on the customization complexity.
A: Yes, we offer full OEM/ODM customization. Whether you need to customize the probe diameter, cable length, or software interface for an engine inspection borescope, or print your logo on an engine cylinder borescope, our R&D team can tailor the product to your specific market demands.
A: Absolutely! We highly recommend ordering a sample of our automotive inspection camera or automotive scope camera to test its clarity, articulation fluidity, and build quality in a real workshop environment before committing to a larger wholesale or OEM order.
A: Unlike low-end tools, a QBH automotive borescope features industrial-grade durability, high-definition image sensors, and oil/water resistance. Our premium automotive endoscope camera modules offer superior clarity, while our signature borescope with articulating head ensures a full 360-degree view without lag, allowing mechanics to catch hidden defects that cheaper models miss.
A: We are a professional manufacturer specializing in visual inspection tools. All of our products, including the advanced articulating automotive borescope and customized solutions, are designed and produced in our own factory, ensuring top-tier quality control and competitive pricing.
A: As a leading industrial borescope manufacturer, QBH presents the US19, our latest high-end borescope. Featuring a 200-megapixel camera and 360° rotation, it provides crystal-clear images and videos for precise inspections. The US19 is QBH’s best solution for all your industrial inspection needs.
A: ① The automotive borescope is an advanced inspection tool used to check car engines, components, and other hard-to-reach areas.
② It can easily access narrow spaces like the engine bay and wheel wells, providing clear real-time images. The borescope’s probe can rotate, extend, and bend to inspect various angles and positions.
③ Automotive borescopes are typically compact and lightweight, making them easy to carry and operate.
A: ① During driving, the car may experience issues such as engine shaking, difficulty in cold starts, and lack of power.
② Due to fuel quality, traffic congestion, and air quality, the fuel system (injectors, spark plugs, valves, and combustion chamber) accumulates carbon deposits, affecting fuel combustion and causing stalling.
③ High fuel consumption, excessive oil consumption, and exhaust emissions exceeding standards.
A: QBH Video borescopes are MIL-STD 810G certified.
Car Cleaning Gun installation and Use
A: ① Over time, a large amount of sludge can accumulate in the engine bay, covering the engine and some wiring harnesses, leading to poor heat dissipation or short circuits.
② During the hot summer, the surrounding environment is already quite hot. If the car engine is covered with a layer of sludge, it can cause poor heat dissipation, and the internal fuel lines are also more prone to ignition. Therefore, cleaning the car engine is very necessary.
Pipe Inspection Camera FAQ
A: Unlike basic borescopes, our pipe inspection cameras are engineered for harsh environments. They feature long-range, high-tensile push rods (up to 120m), specialized skids for centering, and higher torque resistance to navigate complex pipe networks without signal loss or physical damage.
A: Our professional pipeline inspection systems are widely utilized in municipal engineering, plumbing, HVAC maintenance, oil and gas pipeline monitoring, residential sewer diagnostics, and industrial chimney inspections. They are essential tools for identifying blockages, structural cracks, and root intrusions.
A: We offer a range of interchangeable camera heads (from 17mm to 50mm). Our systems support inspections for pipes ranging from small residential drains (2 inches) to large-scale industrial and municipal sewer systems (over 12 inches).
A: Yes. The camera heads and push rods are IP68 waterproof and can be fully submerged in water. The lenses are protected by Scratch-resistant Sapphire Glass to ensure crystal-clear imaging even in abrasive underground conditions.
A: Most of our professional models include an internal Self-leveling mechanism that keeps the image upright regardless of the camera’s rotation. We also offer built-in 512Hz Sondes (Transmitters), allowing operators to pinpoint the exact location of the camera head from above ground using a standard locator.
A: Our flexible yet rigid fiberglass push rods are specifically designed to navigate 90-degree bends in standard 4-inch pipes. For smaller pipes (2-inch), we recommend our specialized mini-camera heads to ensure smooth passage.
A: Yes. To minimize downtime for professional users, we supply individual replacement modules, including interchangeable camera heads, spare push-rod reels, and control box components.
A: Standard bulk orders (100–500 units) usually take 15–25 business days. For private label or pilot batch projects, the timeline may vary based on component availability and customization complexity.
A: QBH products fully comply with international standards, including CE, FCC, RoHS, and KC certifications, ensuring your shipments meet the legal and safety requirements for distribution in Europe, North America, and Asia.
A: For standard models with custom logo branding, our MOQ is typically 50 units. For deep customization involving hardware or housing modifications, please consult our engineering team for a project-specific assessment.
A: Absolutely. As a source manufacturer, QBH provides comprehensive OEM/ODM solutions, including custom housing colors, private label branding, tailored cable lengths, and customized software interfaces for global distributors and Tier-1 tool brands.
Get a free sample of our auto repair tools!
Fill out the form now to experience our quality products.
