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Top 10 Metal Detectors Suppliers in China
Introduction
Metal detectors are indispensable tools in modern industrial environments. Their main role is to detect metal contaminants in products during manufacturing, ensuring safety and quality. With the increasing demand for food safety, pharmaceuticals, and overall product quality in China, the market for industrial metal detectors is growing rapidly. This article covers the top 10 metal detector suppliers in China, providing insights into their company backgrounds, technological capabilities, and industry contributions. Additionally, we will discuss the working principles of these devices, including specialized versions like multi-frequency and aluminum foil metal detectors.
| Rank | Supplier Name | Founded | Location |
|---|---|---|---|
| 1 | Grandpackmachine | 2006 | Guangzhou, Guangdong Province, China |
| 2 | Beijing Horesen | 2005 | Beijing, China |
| 3 | Sichuan Kecheng | 2003 | Chengdu, Sichuan Province, China |
| 4 | Shanghai Pinxun | 2008 | Shanghai, China |
| 5 | Zhejiang Tianshan | 1999 | Hangzhou, Zhejiang Province, China |
| 6 | Dongguan Yuzhou | 2006 | Dongguan, Guangdong Province, China |
| 7 | Guangdong Chengfeng | 2001 | Shenzhen, Guangdong Province, China |
| 8 | Shandong Suning | 2010 | Jinan, Shandong Province, China |
| 9 | Ningbo Mingshun | 2007 | Ningbo, Zhejiang Province, China |
| 10 | Tianjin Zunhui | 2004 | Tianjin, China |
Top 10 Metal Detector Suppliers in China
1. Grandpackmachine (Grandpack)

Location: Guangzhou, Guangdong Province, China
Founded: 2006
- Temporarily occupying the position of export advantage
Overview: Grandpackmachine is one of the premier manufacturers of industrial metal detectors in China. The company is known for its state-of-the-art technology in food safety and pharmaceutical packaging. Grandpack specializes in high-end multi-frequency metal detectors, suitable for the most challenging environments and industries.
Key Products: Their product lineup includes high-speed metal detectors, multi-frequency detectors, and aluminum foil detectors, all designed with precision and flexibility for diverse industrial applications.

Expert Insight: According to Grandpack experts, multi-frequency detectors have become a game-changer in industries where product interference is a significant challenge. These systems use multiple frequencies to detect different types of metals with unprecedented accuracy.

2. Beijing Horesen
Location: Beijing, China
Founded: 2005
Overview: Horesen is a leading player in the field of metal detection, offering solutions primarily in the food and pharmaceutical sectors. Their detectors are engineered to detect both ferrous and non-ferrous metals in complex production lines.
Key Products: Horesen's range of digital signal-processing detectors provides high sensitivity and is known for accuracy in challenging environments.
3. Sichuan Kecheng
Location: Chengdu, Sichuan Province, China
Founded: 2003
Overview: Sichuan Kecheng produces advanced metal detection equipment and automation solutions. Their focus on innovative signal processing and automatic product learning makes their detectors highly adaptable.
Key Products: Their systems include multi-frequency metal detectors for high-precision applications and machines with automatic learning capabilities for better performance.
4. Shanghai Pinxun
Location: Shanghai, China
Founded: 2008
Overview: Pinxun offers advanced metal detection systems with cutting-edge features like phase tracking and product-specific learning. Their detectors are highly regarded for eliminating false alarms and maximizing throughput in production lines.
Key Products: The company specializes in equipment designed for high-speed detection, catering to industries ranging from food to electronics.
5. Zhejiang Tianshan
Location: Hangzhou, Zhejiang Province, China
Founded: 1999
Overview: Tianshan is well-known for providing cost-effective yet highly efficient metal detectors suitable for food production lines and other high-risk industries.
Key Products: Their products feature high detection sensitivity and are commonly used in large-scale production settings.
6. Dongguan Yuzhou
Location: Dongguan, Guangdong Province, China
Founded: 2006
Overview: Yuzhou focuses on automation technology and metal detection solutions for the food and pharmaceutical industries. Their metal detectors offer both single and multi-frequency systems, allowing for improved detection under varying production conditions.
Key Products: Yuzhou’s flagship detectors include high-speed and high-accuracy models that are customizable for specific applications.
7. Guangdong Chengfeng
Location: Shenzhen, Guangdong Province, China
Founded: 2001
Overview: Chengfeng is a respected manufacturer offering robust and versatile metal detection solutions. They focus on providing comprehensive after-sales services, making them a popular choice among international clients.
Key Products: Their range includes heavy-duty metal detectors designed for high-speed and high-volume production lines.
8. Shandong Suning
Location: Jinan, Shandong Province, China
Founded: 2010
Overview: Known for precision and technology, Suning’s products feature automatic product learning and phase tracking technology. These features allow their detectors to adapt to different product types, ensuring high detection accuracy.
Key Products: They are particularly popular in industries where contamination control is critical, such as food packaging.
9. Ningbo Mingshun
Location: Ningbo, Zhejiang Province, China
Founded: 2007
Overview: Mingshun provides reliable metal detection solutions for various industries, including food, pharmaceuticals, and plastics. Their products are known for their robustness and ease of integration with existing production systems.
Key Products: Their detectors feature a variety of sensitivity levels, including models optimized for smaller contaminants.
10. Tianjin Zunhui
Location: Tianjin, China
Founded: 2004
Overview: Tianjin Zunhui specializes in manufacturing metal detection systems that offer high sensitivity and excellent detection reliability. Their equipment is widely used in food and chemical industries.
Key Products: Zunhui’s detectors include both single and multi-frequency systems, suitable for various product applications.
Applications of Metal Detectors in Industrial Settings
Metal detectors are employed across various industries to maintain product integrity and ensure safety. Here’s a detailed look at how these devices are used in different sectors.
1. Processed Meats

Metal detectors are used to scan sausages, burgers, and other meat products, ensuring no metal contamination is present in the final product.
2. Cereals and Grains

Metal detection plays a key role in ensuring that grains and cereals are free from metal contaminants during the manufacturing process.
3. Bakery Products

Metal detectors are used in bakery lines to ensure products like bread, cakes, and cookies are safe from metal contamination.
4. Dairy Products

Milk, cheese, and yogurt production lines use metal detectors to ensure their products are safe from metal contaminants.
5. Confectionery
In the candy and chocolate industry, metal detectors prevent metal objects from entering the product during the manufacturing process.
6. Frozen Foods

Metal detection ensures the quality and safety of frozen food products, which are often at risk of contamination during processing.
7. Pharmaceuticals

Metal detectors are critical in ensuring that tablets, capsules, and powders in pharmaceutical production are free from metal contaminants.
8. Beverages
Liquid food products such as juices, sodas, and alcoholic drinks rely on metal detectors during their packaging processes.
9. Packaged Snacks
Snacks like chips, nuts, and popcorn are inspected for metal fragments using metal detectors.
10. Pet Food

Pet food manufacturing requires metal detectors to ensure that no harmful metal objects are mixed into the food.
11. Textiles
In textile manufacturing, metal detectors are used to scan fabrics and clothing for hidden metal objects that may have been left behind during the production process.
12. Chemicals
Metal detectors help ensure that chemicals and other products like detergents and fertilizers are free from metal contaminants.
13. Plastic and Rubber Products
In plastic molding, metal detectors ensure that the final products are free from metallic contamination, which may have occurred during the molding process.
14. Cosmetics
Metal contamination in cosmetic products is prevented using metal detectors during the manufacturing of creams, powders, and lotions.
15. Automotive Parts
In the production of automotive parts, metal detectors are used to check for metal contamination during assembly and manufacturing.
How Metal Detectors Work?

Metal detectors operate using the principles of electromagnetic induction. Here's how they work in greater detail:
Principle of Operation: Metal detectors generate an electromagnetic field using a coil of wire through which an electric current is passed. When a metal object enters the magnetic field, it disrupts the flow of the electromagnetic waves, creating a signal that is detected by the system.
Detection Process: The detector then analyzes the disruption in the magnetic field. If the signal corresponds to a metal object, an alarm is triggered, indicating metal contamination.
Multi-frequency Systems: Multi-frequency detectors, as used by advanced manufacturers like Grandpackmachine, operate on multiple frequencies simultaneously. This enables them to detect different types of metals (ferrous, non-ferrous, and stainless steel) and eliminate interference from other materials like salt or sugar, which can create false positives in simpler systems.
Grandpackmachine’s Unique Insights
Grandpackmachine provides advanced multi-frequency detectors that not only improve detection accuracy but also offer flexibility to adapt to various industrial needs. According to their experts, multi-frequency detection systems are especially beneficial in high-risk industries like food processing, where even the smallest metal fragment could pose a significant health risk.
Specialized Metal Detectors
- Aluminum Foil Metal Detectors: These detectors are designed specifically to detect aluminum contaminants, often used in food packaging and processing. They are particularly effective in the packaging industry, where aluminum is commonly used in wrapping and sealing food products.

- High-End Multi-Frequency Metal Detectors: These systems utilize multiple frequencies to detect ferrous, non-ferrous, and stainless-steel metals with high precision, even in complex environments. These systems are perfect for industries like pharmaceuticals and food packaging, where product consistency and safety are paramount.

Conclusion
In conclusion, metal detectors are an essential part of industrial operations in China and globally, ensuring the safety and quality of products across numerous industries.
The top 10 suppliers in China, including Grandpackmachine, are leading the way in providing innovative solutions, such as multi-frequency detectors and aluminum foil detection systems.
These advancements in technology help businesses meet stringent quality standards while safeguarding consumer health.
By understanding the various types of metal detectors and how they work, industries can enhance their manufacturing processes and maintain high levels of safety and efficiency.


