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Metal Detector OEM/ODM

About Us

Nantong Jianfeng Machinery Co., Ltd. is a professional engaged in research and development, production, management of pharmaceutical and food machinery, science and technology enterprises. Founded in 1984, covers an area of 12000 squaremeters,construction area of 6000 square meters, with annual sales of more than 25 milion . With the professional design, R&D, manufacturing and installaton and commissioning team, has developed into a certain scale pharmaceutica supplier.

As China Metal Detector Manufacturers and Metal Detector Factory, Jianfeng Machinery has constantly transformation in recent years, product innovation, independent R & D and production of Cotton Stuffing Machine, Counting & bagging machine, Automatic machine for cotton ball, multifunctional labeling machine, capping(pressing) machine and etc,. In 2015 had passed the CE, ISO product certification, 2016 went on and certified 7 utility model patent issued by the State Property Bureau. We have been favored by customers with professional technology, high-quality products, professional manufacturing processes, outstanding management and intimate service, and won wide domestic and foreign markets.

We are located in Wujia industrial park, Tongzhou district .Nantong cityJiangsu province. Close to Shanghai, superior position and convenient trafic. ln this area full of opportunities, customers needs are the foundation of our survival and meeting customers needs is the driving force of our development. By holding the business philosophy of “customer centered, serving customers whole-heartedly” and sticking to the principle of “advanced technology ,elaborate manufacturing,truth-seeking and pragmatism, considerate service” ,our company provides high quality products and sincere service for customers. Our survival and development space will become wider only through continously innovating and surpassing ourselves.


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    High-tech Enterprises
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    Induction Sealer Certificate
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    Inserting Machine Certificate
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    Capping Machine Certificate
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    Bottle Unscrambler Machine Certificate
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    Labeling Machine CE Certificate


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Metal Detector

How Metal Detectors Work
Metal detectors operate on the principles of electromagnetic induction, this intricate process involves generating a magnetic field using a coil of wire within the detector's search head. When this magnetic field encounters a metallic object, it induces a secondary magnetic field within the object itself. This interaction results in a flow of electrical currents, which the metal detector's circuitry detects and interprets as a metallic presence. There are two primary technologies employed in metal detectors: Pulse Induction (PI) and Very Low Frequency (VLF). Pulse Induction detectors excel in their ability to penetrate mineralized soil and are particularly effective in detecting deeply buried metals. In contrast, Very Low Frequency detectors use a constant electromagnetic field, adjusting its frequency to identify different types of metals. This flexibility makes VLF detectors highly versatile and suitable for various environments. Advancements in technology have led to the integration of multiple detection frequencies within a single detector, enabling users to discriminate between various metals more accurately. This sophisticated approach enhances the precision of metal detection, reducing false positives and providing users with valuable information about the composition of the detected objects.

The Multifaceted Applications of Metal Detectors
While metal detectors are synonymous with security screening, their applications span a myriad of industries and fields. Archaeology, for instance, has greatly benefited from the use of metal detectors in uncovering historical artifacts and preserving cultural heritage. The detectors allow archaeologists to pinpoint the location of buried objects without the need for extensive excavation, minimizing potential damage to delicate historical sites. In the realm of geology and mining, metal detectors play a pivotal role in identifying valuable minerals and ores. The detectors can differentiate between various metal compositions, aiding in the extraction of precious resources and ensuring the efficiency of mining operations. Construction sites utilize metal detectors to locate buried utility lines, preventing accidental damage and ensuring worker safety. In agriculture, metal detectors contribute to the removal of metallic debris from harvested crops, safeguarding the quality of the produce. Similarly, the food industry relies on metal detectors to identify and eliminate metal contaminants in food processing facilities, adhering to strict quality and safety standards.

Advancements in Metal Detector Technology
The landscape of metal detector technology is continually evolving, driven by a quest for heightened sensitivity, improved user experience, and expanded applications. One notable trend is the integration of artificial intelligence (AI) into metal detectors, enhancing their ability to interpret signals and discriminate between different types of metals. Modern metal detectors leverage advanced signal processing algorithms, allowing users to customize detection settings based on their specific needs. These detectors can adapt to various environmental conditions, minimizing false alarms and providing more accurate results. The use of lightweight materials and ergonomic designs has made metal detectors more portable and user-friendly, catering to a diverse range of industries and applications. Compact and handheld metal detectors equipped with wireless connectivity and data logging capabilities are gaining popularity. These features enable real-time monitoring, data analysis, and seamless integration with other smart technologies. As a result, industries ranging from security to mining can benefit from improved efficiency, reduced operational costs, and enhanced overall performance.The future of metal detectors holds promise in the development of multisensor systems that can provide more comprehensive information about detected objects.