About ZHENGZE

About Zhengze

Nanjing Zhengze Technology Co., Ltd.


Nanjing Zhengze Technology Co., Ltd. was established in March 2004 and is a national-level “Specialized, Refined, Distinctive, and Innovative” Little Giant enterprise as well as a national high-tech enterprise.

Since its inception, the company has remained deeply committed to the emergency rescue sector, developing a diversified portfolio of high‑tech products that includes cutting‑edge emergency rescue equipment, emergency communication systems, and intelligent personal protective gear.

The company consistently upholds the R&D philosophy of “technology, innovation, and creation,” and adheres to the business principle of “surviving through quality, enhancing profitability through technology, driving growth with our brand, and putting customers first.” Leveraging cutting-edge technologies and a modern production management system, we are committed to providing high‑quality products and exceptional service to customers both at home and abroad.


In 2017, the company was successfully listed on the New Third Board (stock code: 872137). The company has adopted a group‑wide development strategy, with subsidiaries including Meiyin Acoustics, Lan Ge Intelligence, Meiyin Precision, and Rongxiang Technology. These entities operate in hearing protection, smart communications, precision manufacturing, and global trade, respectively, achieving efficient synergy and collaborative success to lead the industry into a new future through diversified business deployment.

2004 year

Founded in 2004.

95 item

Patented invention

5000 Flat

Land area

4000 Ten thousand

Registered capital of RMB 40 million.

130 person

The company currently employs over 130 staff members.

40 person

A research and development team of over 40 members.

Corporate culture


Company Mission


To ensure the safety of life,
Dedicated to emergency rescue!

Company Vision


Create first-class products and build a premium brand,
Satisfy our customers and help our employees succeed!

Core Values


Integrity builds our business; customers come first.

People-oriented, with institutional safeguards;
Dedicated and pragmatic, results-oriented;

Pursue excellence, foster harmony and shared prosperity.

Business Philosophy


Survive through quality, and enhance profitability through technology.
Drive growth through branding, with the customer at the center.

R&D Philosophy


Technology, innovation, creation

Corporate culture


Company Mission

Ensuring the safety of lives and dedicating our efforts to emergency rescue!

Company Vision

Create world-class products, build premium brands, deliver customer satisfaction, and empower our employees to succeed!

Core Values

Integrity builds our business; customers come first. People‑centered, with systems in place to ensure accountability. Diligent and pragmatic, results‑driven. Striving for excellence, fostering harmony and shared success.

Business Philosophy

Survive through quality, enhance profitability with technology, drive development through branding, and put the customer first.

R&D Philosophy

Technology, innovation, creation

Development History


October 2025

It has been recognized by the Ministry of Industry and Information Technology as a “Specialized, Refined, Distinctive, and Innovative” Little Giant enterprise.

2024

The company has completed the upgrade of its smart manufacturing center, achieving “intelligent transformation and digital upgrading.”

2023

The world’s first multifunctional detection and inspection device, along with an integrated intelligent self-contained breathing apparatus, has been launched on the market.

2022

It has been recognized by the Jiangsu Provincial Department of Industry and Information Technology as a “Jiangsu Province Specialized, Refined, Distinctive, and Innovative Enterprise.”