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We are Dezhang Technology
Delivering Comprehensive Solutions

Dezhang Technology is a professional manufacturer specializing in shielding test equipment for communication products. Currently, the company offers over 600 types of products, including shielding equipment, audio devices, and robotic automated testing systems. All product performance indicators meet professional standards. 

 

At present, the company's factory in China covers an area of over 6,000 square meters, with five assembly lines and 19 sets of large-scale machining equipment. The company has obtained ISO9001:2008 Quality Management System Certification and ISO14001:2008 International Environmental Management System Certification. After nearly 20 years of development and accumulation, the company has built strong technical capabilities, with 36 engineering and technical personnel, including 2 PhD holders and 5 Master's degree holders, and holds over 60 certifications. 

 

To provide faster and more efficient service to its partners, the company has established branches in Vietnam, Shanghai, Xi’an, Suzhou, Hong Kong, Nanning, Wuhan, Chengdu, and other locations. As a result, its technical support and after-sales service quality have improved rapidly, making it a model of high-quality service in the industry.

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Our Strengths: Supplying industry-standard testing equipment, customized solutions tailored to your needs, fast delivery, and dedicated customer service.

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Our Vision: To become a respected organization and ensure a fulfilling, happy life for every member of our team.

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Our Mission: To empower our clients by strengthening their competitive edge.

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Our Core Values: Professionalism and wholehearted service.

1000+ 
Customers

100+

Products

150+

Projects

10+

Awards

Fields of Application
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5G Smart Home Network Testing Box

Check how effectively the wristband shields against internet connectivity.

5G Signal Blocking Box for Mobile Phones and Tablets

Shielding Box for 5G IoT Device Testing

Soundproof Box for Smart Audio Testing

WiFi Signal Detection Through Shielding Enclosure

Featured News
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How much does it cost to build an industrial soundproof and anechoic test room?

12/05/2025 15:27
A soundproof room, also known as a quiet room, is a specialized facility used to isolate sound and reduce noise. These rooms are primarily suitable for testing products that require high precision. Once built and soundproofed, the soundproof room creates a quiet environment ideal for conducting acoustic tests on transformers, audio devices, and precision instruments. Soundproof rooms can also be integrated into production lines in factories, allowing assembly lines to pass ...
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What are the specific functions and applications of a shielding box?

12/05/2025 15:14
With the development of high technology, many advanced technological products have been created. Shielding boxes have emerged during the development of these technologies, and today, there are many types of shielding boxes available. Next, editor Jiachen will introduce to you the specific functions and application scope of shielding boxes. The shielding effect refers to the difference in signal values measured when the shielding box is open and when it is closed at a specific ...
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What is the function of a noise barrier box? What is the use of a noise barrier box?

12/05/2025 15:16
"Those who are familiar with shielding boxes know that the principle of a shielding box is to use shielding objects with various shapes made from conductive or magnetic materials to limit electromagnetic capabilities within a specific range of space and prevent metallic objects from radiation interference. The device is used to process conduction and radiation to provide an interference-free testing environment for wireless communication equipment being tested. Of course, ...
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What are the differences between an acoustic box and an acoustic room?

12/05/2025 15:11
An acoustic room is an environmentally friendly device, integrating modern industrial production, construction techniques, sound technology, and aesthetics to improve and control the increasingly severe noise pollution. It is often used in situations where a high level of silence is required. The function of an acoustic box is also to reduce noise from the environment. So, what are the differences between an acoustic room and an acoustic box? Let’s join editor Jiachen to find ...
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Dezhang Technology
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Contact Information

 

Vietnam Branch

Address: No. 164 Binh Than Street, Vo Cuong Ward, Bac Ninh City, Bac Ninh Province

Phone number: +84 868.648.870

Wechat: 13922824038

Email: congnghedezhang@gmail.com

Dezhang Technology

 

Company Profile

Corporate Culture

Development History

Business Partner

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News Center

 

Custom Soundproof Box

Custom Shield Box

Wireless RF Testing

5G RF Shield Box

Sound Testing System