15 YEARS OF EXPERIENCE Sheet Metal
Fabrication&
Services
Jiangmen Dongzheng Internet of Things Co., Ltd.
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November 5, 2025

How to improve the machining accuracy of sheet metal processing?

Whether it is a sheet metal processing manufacturer or an individual who performs sheet metal processing operations, it is often possible that the sheet metal processing accuracy is not ideal.
November 5, 2025

Adaptive Welding Technology – Paving the Way for Future Trends

Adaptive welding technology is rapidly shaping the welding industry towards a future marked by intelligence, flexibility, and efficiency. This innovative approach is revolutionizing various welding methods, bringing unprecedented adaptability and innovation to the manufacturing sector.

Energy & Power

In the energy and power industry, especially in the field of renewable energy, sheet metal enclosures are widely used to protect electrical components from outdoor weathering effects (such as IP65/IP66 protection ratings and corrosion-resistant materials).

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Manufacturing

Industrial control systems and automobile manufacturing are the largest consumers, used to protect electrical connections and mechanical equipment.

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Transportation & Automotive

The battery enclosures and electrical integration of EVs and rail transit are driving demand.

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Telecommunications & IT

Used in data centers and communication equipment, electrical and software-hardware integration solutions

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Introduction

Dong Intelligent Device Co., Ltd.

Since

2011

We are a high-tech enterprise in Jiangmen, Guangdong - an overseas Chinese hub with proximity to Hong Kong and Macau. With over 30,000 sqm of facilities and nearly 300 employees, including 25% technical experts

Patents

The company boasts more than 100 patents and certifications like ISO, CE, and SGS. Dongji exports products to 50+ countries such as the US, Germany, Australia, Italy, and across Southeast Asia.

Dong Intelligent Device Co., Ltd. is a high-tech enterprise in Jiangmen, Guangdong - an overseas Chinese hub with proximity to Hong Kong and Macau. With over 30,000 sqm of facilities and nearly 300 employees, including 25% technical experts, the company boasts more than 100 patents and certifications like ISO, CE, and SGS. Dongji exports products to 50+ countries such as the US, Germany, Australia, Italy, and across Southeast Asia. Specializing in sheet metal fabrication, stainless steel production, custom metal parts, hardware appliances, and intelligent device enclosures for 13 years, Dongji owns advanced equipments including imported laser cutting machines, CNC punching machines, CNC bending machines, automatic welding machines, and assembly lines. They provide end-to-end solutions for non-standard self-service devices and support full machine assembly and testing for clients. Inspired by Chinese traditional culture and Inamori's Philosophy, Dongji continuously elevates its management practices and industry influence. Operating with a philosophy of integrity and mutual success, they aim to foster an environment where all staff can achieve both professional and personal growth.

OUR SERVICES

Dong offers full lifecycle services

We enable you to get the most out of your equipment.From installation and startup to life extension services, our electrical systems experts are available to ensure proper placement and connection, sequence of operations, regular maintenance, troubleshooting, and other topics related to maximizing safety, uptime, and performance.

OUR POWER

These are your confidence


Engineers

30+

Customers

200+

Patents

240+

Lead time

30 days

Customer satisfaction is our greatest achievement and the source of our enthusiasm for work every day

James Lee


  • 2026New factory

    New factory
  • 2023Work with Waston, BYD and Senao

    -Provide ODM services to Waston, BYD and Senao - Work with BT Company, provide JDM/ODM service - Certification of Guangdong Special New enterprise.
  • 2022Work with FRANK & SY

    -Work with FRANK in kitchen products -Work with SY in animal self-feeding equipment.
  • 2019Certification

    -Work with Formlabs company develop and ship products successfully -Our products ETL,UL, FCC, KC certificated
  • 2018Employees

    - Relocation from Pengjiang District to Xinhui District. - Factory area: 30,000 m² -160 employees.
  • 2016Patents

    -Registered capital increased to 10 million RMB. -Guangdong high-tech Enterprise certificate. -112 authorized invention patents - 82 utility model patents
  • 2014Growth

    -Factory area 10,000 m² -80 employees
  • 2013Certification

    GB/T 190012016 and ISO9001:2015 certification holder
  • 2011Establish

    DongHardware Products Co., Ltd. -Registered capital of 500,000 RMB, -Factory area :2000 m² -10 employees