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Products

Every product is brewed with ingenuity

We specialize in manufacturing various safety lock products to prevent industrial accidents caused by uncontrolled energy release, such as sudden energization or startup of machinery and equipment.

Quandun Security Technology Co., Ltd.

Adhere to the combination of technology and quality every product is carefully crafted

Provide a series of supporting products and services such as LOTO solutions, hazardous energy isolation methods, and industry application solutions

  • Durable: Made of materials that withstand a variety of environments
  • Strong: Cannot be removed without considerable force
  • Standardized: Distinguished by differences in color, shape, or size
  • Identifiable: Indicates authorized personnel using the device

2015

Was Fouded In

500+

Product category

6000㎡

Factory covers

100+

Current employees

50+

Cooperating countries and regions

aboutus
With quality to win credibility, science and technology to win the future

With quality to win credibility, science and technology to win the future

Play video With quality to win credibility, science and technology to win the future

APPLICATIONS

Providing solutions for large enterprises

Our products are widely used in thermal power, hydro power, power transmission and distribution, metallurgy, chemical industry, mining, construction, new energy, urban and rural power grid transformation and other projects.

Quandun Security Technology Co., Ltd.

Development history

Strive to deepen the corporate culture of technology first, quality oriented, and people-oriented

Service center

Thousands of customers have been provided with industry standard lock and tag products

Corporate culture

Our company advocates the safety concept of

FAQ center

Provide customers with reliable security protection products

Honor qualification

Obtained CE certificate for products, all products comply with industry standards

Download center

Dedicated to helping enterprises plan professional and reliable one-stop security protection solutions

LATEST NEWS

Latest events and announcements

We advocate the safety concept of

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Universal Valve Lock Technical Specification
Mar 25,2025

Universal Valve Lock Technical Specification

Universal valve lock is a multifunctional industrial safety lock designed specifically for various valves in pipeline systems, such as ball valves, gate valves, butterfly valves, etc. It prevents misoperation and ensures operational safety through physical locking. Its core advantage lies in "one lock for multiple uses", strong adaptability, and can significantly reduce procurement and management costs.

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Steel Ball Valve Lock
Mar 21,2025

Steel Ball Valve Lock

Steel ball valve lock is a safety locking device designed specifically for industrial pipeline valves, mainly used to prevent accidental opening of valves during maintenance, upkeep

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QVAND Valve Lockout
Mar 18,2025

QVAND Valve Lockout

High strength corrosion resistance and multiple protections - an industrial safety lock solution suitable for all scenarios of valves

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