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Common Foreign Objects Found in Food Processing — And How to Detect Them

Metal Detectors Metal detectors are effective for identifying ferrous and non-ferrous metals. However, they are limited to metal-only contamination and cannot detect non-metal foreign objects. X-ray Inspection Systems X-ray inspection technology provides a more comprehensive solution by detecting both metallic and non-metallic contaminants based on density differences. X-ray systems can detect: Metal fragments Glass and ceramic Stones and minerals Bones and shells Dense plastics and rubber In addition to foreign object detection, X-ray inspection can also perform quality checks such as: Missing or broken products Weight and fill-level inspection Product integrity verification Why X-ray Inspection Is Becoming the Preferred Choice As food safety regulations become stricter and product variety increases, many manufacturers are upgrading from traditional inspection methods to X-ray inspection systems. X-ray technology offers higher detection accuracy, greater versatility, and reliable performance even for packaged products, including foil or aluminum packaging. Conclusion Foreign object contamination can occur at any stage of food processing, but with the right inspection technology, risks can be significantly reduced. By identifying common contaminants and choosing effective detection solutions, food manufacturers can protect consumers, comply with international standards, and safeguard their brand reputation. If you are looking to enhance your food safety inspection process, X-ray inspection systems provide a proven and future-ready solution.

2026

01/10

Shanan Technology Releases Upgraded Foreign-Body Inspection Solutions for Global Food Manufacturers

As global food safety standards continue to rise, Guangdong Shanan Technology, a 16-year established manufacturer specializing in metal detectors and X-ray inspection systems, has officially introduced its upgraded inspection product line for 2025. Enhanced SA-990 Metal Detector for Higher Sensitivity The newly upgraded SA-990 metal detector delivers improved accuracy and stability across various industries, including meat, seafood, snacks, condiments, and frozen foods. Key enhancements include: Higher sensitivity for stainless steel, ferrous, and non-ferrous metals Faster signal processing for high-speed production lines Optimized touchscreen interface for easier operation Stronger anti-interference capability for complex environments These improvements help manufacturers reduce false alarms, maintain quality consistency, and improve production efficiency. Advanced X-ray System for Complex Packaging Shanan’s updated X-ray inspection system supports a wide range of packaging formats such as aluminum foil, canned foods, glass bottles, and dense products. It effectively detects: Metal Glass Ceramic Bone fragments Hard plastics With clearer imaging and more refined algorithms, the system significantly reduces missed detections and supports higher-capacity production lines. Growing Global Presence Across 80+ Countries Shanan Technology continues to strengthen its global market presence with customers in Asia, Europe, South America, and the Middle East. The company is also expanding its technical support network to provide faster service for international partners. A Long-Term Commitment to Food Safety For 16 years, Shanan Technology has focused on delivering reliable and accurate foreign-body inspection solutions to help manufacturers protect product quality and brand reputation. “Our mission has always been to support our customers in preventing recalls and ensuring product safety,” the company noted. “Every safe product contributes to a safer world.”   Contact Us Guangdong Shan’an Technology Co., Ltd. Address: Rui Lian Zhen Xing Industrial Park, SangYuan, Dong Cheng, Dongguan City, Guangdong Province, P.R. China (523119) Email: ruth@shanantechnology.com WhatsApp/Wechat: +86 138 2728 2272 Website: www.foodgrademetaldetector.com

2025

12/12

Shanan Technology Launches New AI X-ray Inspection System – Setting a New Benchmark for Food Safety

Guangdong Shan’an Technology, a 15-year industry-leading manufacturer of metal detectors and X-ray inspection systems, has officially released its upgraded AI X-ray Foreign Object Detection System, designed to help global manufacturers achieve higher inspection accuracy, greater production efficiency, and stricter compliance with international food safety standards. High-Speed, High-Accuracy Detection for Modern Production Lines In today’s fast-paced manufacturing environment, undetected foreign objects—such as metal fragments, glass chips, stones, bones, and dense plastics—can lead to costly recalls and severe brand damage. The newly upgraded Shan’an AI X-ray System delivers: 0.2 mm ultra-high sensitivity, enabling reliable detection of tiny contaminants even in aluminum foil packaging; Multi-energy imaging, allowing clearer distinction between product texture and foreign objects; Automatic rejection & 24/7 stable operation, suitable for high-speed production lines in food, pharmaceuticals, and electronics. With scanning speeds exceeding 8,000–10,000 products per hour, the system helps factories significantly reduce manual inspection time while improving output quality. AI-Powered Analysis: Reduced False Rejection, Higher Profitability Shan’an Technology’s new system integrates advanced AI algorithms capable of learning product variations and minimizing false alarms. By effectively reducing unnecessary product rejection, manufacturers can: Save raw materials Lower operational costs Maintain stable, predictable production efficiency This makes the system particularly suitable for complex products such as sausages, frozen seafood, nut snacks, bakery items, and liquid/paste products. Compliance Ready for Global Standards To help customers easily pass international audits, the system includes: Real-time imaging records Encrypted operation logs Full traceability features Support for HACCP, IFS, BRC, and FDA requirements These enhanced compliance features provide strong guarantees for export-oriented manufacturers.       Trusted Worldwide Shan’an Technology’s X-ray and metal detection solutions are currently used by factories in over 80 countries, including: Food processors Aquaculture companies Beverage and snack manufacturers Pharmaceutical producers Electronics component factories The new AI X-ray system has already been successfully implemented in multiple client sites, receiving unanimous recognition for its stability, accuracy, and cost-effectiveness. About Shan’an Technology Guangdong Shan’an Technology Co., Ltd. is a 15-year industry-leading manufacturer, specializing in R&D and manufacturing of: Metal Detection Systems X-ray Foreign Object Inspection Systems Checkweighers & Automatic Packaging Solutions With a strong engineering team and advanced production facilities, Shan’an continues to provide high-quality, reliable inspection equipment to global customers. Contact Us Guangdong Shan’an Technology Co., Ltd. Address: Rui Lian Zhen Xing Industrial Park, SangYuan, Dong Cheng, Dongguan City, Guangdong Province, P.R. China (523119) Email: ruth@shanantechnology.com WhatsApp/Wechat: +86 138 2728 2272 Website: www.foodgrademetaldetector.com

2025

12/04

Enhancing Product Safety with Advanced X-ray Inspection Technology

Guangdong Shan’an Technology Co., Ltd.   Ensuring product safety has become a top priority for manufacturers across the globe, especially in the food, pharmaceutical, and pet food industries. As foreign object contamination becomes increasingly diverse—not limited to metal alone—traditional metal detectors can no longer meet the full range of inspection needs. To address these challenges, Guangdong Shan’an Technology proudly introduces its next-generation X-ray Foreign Object Inspection System, designed to deliver outstanding accuracy, reliability, and efficiency for modern production lines. Why X-ray Inspection Is Becoming the New Industry Standard Unlike metal detectors that can only detect conductive materials, X-ray inspection offers a broader detection capability. It can effectively identify: Metal (ferrous & non-ferrous) Glass fragments Hard bones Ceramic and stones Dense plastic and rubber Mixed materials in complex packaging This makes X-ray inspection the optimal solution for aluminum foil packaging, high-density products, and multi-layer packaging, where metal detectors typically fail. Key Features of Shan’an X-ray Inspection Systems High Sensitivity & Deep Penetration Advanced imaging technology ensures precise detection even in high-density or oversized products. Compatible with All Packaging Types Ideal for aluminum foil bags, vacuum-sealed products, metal-laminated film packaging, and more. Stable Performance for 24/7 Production Industrial-grade components ensure long-term durability and low maintenance requirements. Multiple Reject Options Air blast, flap reject, pusher, alarm stop—customized for your production line. Wide Industry Applications Food processing, meat & poultry, snacks, seafood, pharmaceuticals, cosmetics, pet food, rubber components, and more. Committed to Global Quality Standards With over 16 years of industry experience, Guangdong Shan’an Technology has become a trusted supplier of inspection systems to customers in more than 80 countries. Our X-ray machines are designed to meet international standards and ensure compliance with global food safety certifications such as HACCP, BRC, IFS, and FDA requirements. As a 16-year established manufacturer, we continue to innovate with a focus on quality, precision, and service.   Moving Forward: Smarter, Safer Production The demand for higher safety standards continues to rise. Shan’an Technology is dedicated to supporting manufacturers worldwide with smarter inspection solutions that strengthen product quality and protect brand reputation. For more information about our X-ray inspection machines or to request a quotation, please contact:   Ruth Zheng Sales Manager – Guangdong Shan’an Technology Co., Ltd. Whatsapp/Wechat: +86 138 2728 2272 Email: ruth@shanantechnology.com Website: www.foodgrademetaldetector.com  

2025

11/28

Case Study: X-ray Inspection for Aluminum Foil Packaged Products

Ensuring product safety under aluminum foil packaging has always been a challenge for many food manufacturers. Traditional metal detectors cannot penetrate aluminum foil, making it difficult to detect metal fragments or other foreign bodies inside sealed packages. Recently, Guangdong Shan’an Technology successfully completed an inspection test using our X-ray Inspection System for a customer’s aluminum-foil packaged food products. The results demonstrated clear advantages in accuracy, stability, and adaptability. Background The customer produces snack items sealed in aluminum foil film. Due to the packaging material, their existing metal detector could not identify contaminants such as stainless steel, iron, or non-metallic foreign bodies. To ensure production safety, they required a detection solution that works regardless of packaging type. Inspection Process During the test, samples were placed directly onto the conveyor without any special preparation. The Shan’an X-ray system automatically analyzed internal structures of each package and detected multiple types of contaminants, including: Stainless steel Ferrous metals Glass fragments Hard plastic Stones and other dense materials Even under high-speed production conditions, the system maintained a stable rejection accuracy and clear imaging. Test Results Packaging type: Fully sealed aluminum foil Inspection speed: Suitable for continuous mass production Detection performance: Foreign bodies as small as 0.3–0.5 mm Reject system: Automatic, with real-time image storage The customer confirmed that X-ray inspection provides a more reliable solution for their packaging line compared to traditional metal detection. Why X-ray for Aluminum Foil Packaging? Detects foreign objects even through thick aluminum foil Identifies more than just metal Works with high-moisture, high-salt, or conductive products Provides real-time imaging for traceability Reduces product risks during audits and export inspections Conclusion Shan’an’s X-ray Inspection System offers an effective and stable solution for aluminum foil packaged products. With clear imaging, high precision, and compatibility with fast production lines, it helps manufacturers meet domestic and international food safety standards with confidence. If you would like to arrange a similar test or learn more about our inspection systems, our technical team is ready to assist.     Ruth Zheng Sales Manager Whatsapp/Wechat:+86 138 2728 2272 E-mail: ruth@shanantechnology.com Company: Guangdong Shanan Technology Co.,Ltd Website: www.foodgrademetaldetector.com

2025

11/21

Preparing for Your Next Audit? Here’s What You Need

As food safety regulations tighten and audits become more frequent, food manufacturers must be fully prepared to pass inspections and meet all compliance standards. One key factor in passing audits with ease is ensuring that your metal detectors, X-ray inspection systems, and checkweighers are fully documented and operational. To help food factories stay audit-ready, we’ve compiled a comprehensive checklist of the essential documentation you’ll need to provide during customer audits: 1. Metal Detector Documentation Daily Sensitivity Test Logs: Ensure your metal detectors are calibrated regularly, with daily tests verifying their effectiveness for detecting Fe, SUS, and Non-Fe metals. Test Piece Verification: Records showing that metal detectors have been tested with various test pieces. Reject System Function Log: Evidence that the reject system is working properly to remove contaminated products from the production line. Calibration Certificates: Certificates confirming that your machines are properly calibrated to meet industry standards. HACCP Validation: Documentation that your metal detectors are validated as Critical Control Points (CCPs) within your Hazard Analysis and Critical Control Points (HACCP) plan. 2. X-ray Inspection Documentation Image Verification Records: Logs that demonstrate the system’s ability to detect contaminants through image analysis. Product Learn Documentation: Details showing the products the X-ray system is calibrated to inspect. Reject Confirmation Log: Verification that rejected products are consistently logged for traceability. Detection Capability Report: A report detailing the effectiveness of the X-ray machine in detecting foreign materials. Annual Calibration Certificates: Certification that the X-ray system is calibrated yearly. 3. Checkweigher Documentation Accuracy Verification Logs: Records proving that the checkweigher’s accuracy is regularly tested. Zero / Span Check Records: Confirmation that the machine’s zero point and span range are checked frequently. Reject Records for Over/Underweight Products: Evidence that products that fail weight specifications are rejected. Packaging Weight Standards: Details showing that product weight standards are maintained for packaging. Maintenance & Calibration Logs: Maintenance records to prove that equipment is regularly serviced and calibrated. 4. General Audit Essentials Cleaning SOPs & Records: Documentation of cleaning procedures and frequency. Traceability Records: Systems that allow tracking of products from raw materials to the final product. Non-conformity Handling: Records of how deviations are detected, documented, and corrected. Preventive Maintenance Logs: Documentation showing proactive maintenance to minimize downtime. Operator Training Records: Proof that personnel are trained on using equipment and understanding safety standards. Stay Audit-Ready Every Day Food safety audits are not just about meeting requirements for one day — they’re about maintaining consistent and documented practices across your entire operation. Regular checks, clear documentation, and validated equipment can save time, resources, and ensure that your products meet the highest standards. At Shanan Technology, we provide reliable and accurate metal detectors, X-ray inspection systems, and checkweighers that help food manufacturers meet compliance and protect their brands. Our equipment not only ensures product safety but also simplifies the audit process, making it easier for your team to stay organized, efficient, and ready for inspections at any time. Get in Touch with Us Need more information on how to improve your audit preparation? Contact us today at ruth@shanantechnology.com or 86 13827282272 to learn how Shanan Technology can support your food safety program.

2025

11/14

X-ray Inspection: A Reliable Solution for Foreign Body Detection in Fruits and Dried Fruits

In recent years, consumers have become increasingly concerned about food safety, especially in natural and minimally processed products such as fruits and dried fruits. Manufacturers are therefore seeking more advanced inspection technologies to ensure product purity, enhance production efficiency, and comply with international export standards.   Challenges with Metal Detection Traditional metal detectors are widely used in the food industry, but they have clear limitations when applied to fruits and dried fruits. Moisture and mineral interference: Fresh and dried fruits often contain natural moisture, sugar, and minerals that create product effects, reducing metal detection sensitivity. Limited detection range: Metal detectors can only identify metallic contaminants (Fe, Non-Fe, SUS) and cannot detect non-metallic foreign objects such as glass, stones, or hard plastic. Packaging restrictions: Many dried fruits use metalized film or aluminum foil packaging, which interferes with metal detection.   Benefits of X-ray Inspection X-ray inspection systems overcome these challenges and provide a comprehensive solution for fruit and dried fruit processing lines. They can detect a wide range of foreign bodies regardless of moisture or packaging material. Key advantages include: Detects both metallic and non-metallic foreign objects such as glass, stones, bones, and hard plastic. Stable and consistent performance in detecting loose, sticky, or irregularly shaped fruits. Applicable for both bulk inspection and packaged products. High-resolution imaging ensures accurate rejection of contaminated items.   Ensuring Consistent Quality and Compliance By integrating X-ray inspection, manufacturers can significantly reduce product recalls and customer complaints, while meeting international standards such as HACCP, ISO22000, and BRC. This technology helps ensure that every batch leaving the factory is safe, clean, and of consistent quality.   About Shan’an Technology With over 15 years of experience, Guangdong Shan’an Technology Co., Ltd. specializes in providing intelligent inspection and weighing solutions for the food industry. Through continuous innovation and practical experience, Shan’an Technology remains committed to advancing food safety inspection systems that meet the evolving needs of global manufacturers.   WeChat/WhatsApp:86 13827282272 Contact us: Ruth@shanantechnology.com Website: www.foodgrademetaldetector.com

2025

10/11

National Day & Mid-Autumn Festival: Food Safety Never Takes a Break — Shan’an Technology Keeps Your Production Line Running Smoothly

As China’s National Day and Mid-Autumn Festival arrive together this golden October, families gather around dinner tables and shelves are filled with festive delicacies, each representing people’s expectations for the season. Yet, behind the scenes, food production lines continue to run at full speed, working tirelessly to ensure every product is safe, compliant, and delivered on time. However, the surge in production during this peak season also brings greater food safety challenges. Increased output and accelerated processes raise the risk of metal fragments, glass shards, and foreign contaminants — any of which could damage a brand’s reputation. This is where we step in: With 15 years of experience in food inspection technology, Guangdong Shan’an Technology Co., Ltd. is committed to providing high-precision, intelligent, and reliable inspection solutions that help your brand stay competitive during the holiday rush.  Continuous Production During the Holidays — Our Machines Are Your First Line of Defense During the festival season, products like bread, mooncakes, meat, and frozen foods experience a significant demand spike. Yet, rapid production also increases the risk of contamination. Shan’an’s advanced inspection systems are designed to eliminate these risks effectively:  SA-990 Metal Detector Detects FE, NFE, and SUS metal contaminants Suitable for bread, meat, sauces, frozen foods, and more High sensitivity and stable performance help you pass all major food safety certifications  X-ray Inspection System Detects metal, glass, ceramic, hard plastic, bone, and more Works perfectly with aluminum foil packaging Real-time imaging ensures no foreign object goes undetected Whether you are a small-scale food manufacturer or a large industrial brand, our systems can seamlessly integrate into your existing production line, helping you identify and remove contaminants while improving overall quality control.  Food Safety: The First Step to Building a Trusted Brand The double festival season is not only a time for celebration but also a golden opportunity for brands to showcase their strength. Food safety is not just about compliance — it’s a commitment to your consumers’ trust and a key driver of brand reputation. At Shan’an Technology, we believe food safety is more than a production step — it’s a promise. No matter how busy your production line is, our machines stand as the final safeguard for your brand value and customer confidence. This holiday season, let us help you build a stronger safety barrier for your production line and ensure your brand stands out in the competitive market.   Contact Us for a Customized Inspection Solution Guangdong Shan’an Technology Co., Ltd.  Address: Rui Lian Zhen Xing Industrial Park, SangYuan, Dong Cheng, Dongguan City, Guangdong Province, P.R. China  Zip Code: 523119  Contact: Ruth Zheng – Sales Manager  Whatsapp/Wechat: +86 138 2728 2272  E-mail: ruth@shanantechnology.com  Website: www.foodgrademetaldetector.com

2025

09/30

Food Manufacturer Introduces Shanan Metal Detector to Inspect Fruit Packaging

Recently, a fruit packaging enterprise chose Shanan Technology’s metal detector to inspect its plastic fruit boxes. This decision fully reflects the company’s commitment to food safety and quality assurance.   During testing, the metal detector successfully identified potential risks of metal contamination hidden in ordinary packaging. Although invisible to the naked eye, such contaminants can pose serious hazards if not detected in time. By introducing Shanan’s professional-grade detection equipment, the client is now able to:   Ensure every fruit box leaving the factory is free from metal contamination Enhance consumer confidence with safer packaging Align with international food safety standards With over 15 years of industry expertise, Shanan Technology has become a trusted partner for food manufacturers worldwide. Our solutions — including metal detectors and checkweighers — help companies safeguard their products, protect their brands, and build stronger trust with consumers.  Learn more about Shanan Technology’s inspection solutions at: www.foodgrademetaldetector.com   Contact Information Ruth Zheng | Sales Manager Guangdong Shanan Technology Co., Ltd.  Address: Rui Lian Zhen Xing Industrial Park, SangYuan, Dong Cheng, Dongguan City, Guangdong Province, P.R. China  Postal Code: 523119  Whatsapp/Wechat: +86 138 2728 2272  E-mail: ruth@shanantechnology.com  Website: www.foodgrademetaldetector.com

2025

09/12

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