About Us

Leierda – Global Pressure and Gas Control Instrumentation Manufacturer

Founded in 1996, Leierda specializes in the design and manufacturing of pressure transmitters, pressure gauges, gas regulators, and related instrumentation for industrial and laboratory applications. With decades of expertise in pressure measurement and gas control, we provide both standard and customized solutions for process industries and OEM integration. Certified to ISO 9001, CE, and KS standards, Leierda’s products are trusted worldwide in energy, chemical, metallurgy, power, and environmental sectors for their reliability, precision, and long-term stability.

1996–2003 | Foundation and Global Beginnings

Leierda Instrument Co., Ltd. was founded in 1996 in Yueqing, China, focusing on precision pressure gauges and mechanical instrumentation. Within a few years, the company achieved ISO 9001 certification, established its first manufacturing base, and became an early council member of the China Pressure Instrument Association.

By 2003, Leierda had obtained import and export rights, expanded production capacity, and entered international markets across Asia, the Middle East, and Eastern Europe.

2004–2010 | Industrial Expansion and Product Diversification

During this stage, Leierda evolved into a comprehensive pressure instrumentation manufacturer. The company established new production bases in Wenzhou and Shanghai, introduced CNC machining and automated calibration systems, and grew its workforce to over 800 employees.

Leierda’s mechanical gauge series gained recognition as a “China Famous Brand Product,” and the company began exporting to over 60 countries, strengthening its position as a trusted supplier for industrial and process applications.

2011–2016 | Technology Advancement and Product Modernization

Leierda shifted toward digital and electronic instrumentation, launching its first line of digital pressure gauges and transmitters.

With expanded R&D investment and precision testing facilities, the company enhanced its product reliability, accuracy, and international certification portfolio (ISO 9001, CE, KS).

This period marked Leierda’s transition from traditional manufacturing to advanced pressure and gas control technology development.

2017–2020 | System Integration and Engineering Services

Building on its expertise in pressure and gas control, Leierda expanded into system integration and application-specific solutions.

The company established a gas control R&D center and launched standardized regulator assemblies, manifold systems, and pressure monitoring modules—creating a complete portfolio from components to integrated systems.

During this stage, Leierda’s products became widely applied across energy, chemical, environmental, and process equipment industries, marking its evolution from a product manufacturer to a specialized system integration provider.

2021–Present | Globalization and Precision Integration

Leierda has evolved into a global brand specializing in pressure measurement and gas control instrumentation — including transmitters, gauges, and regulators for industrial, laboratory, and OEM applications.

With markets across Central Asia, the Middle East, Southeast Asia, and Eastern Europe, Leierda continues to deliver high-accuracy, low-leakage, and long-life solutions trusted by energy, process, and analytical system manufacturers worldwide.

Our Values

Shaping the Future of Instrumentation with Excellence

Vision

Precision for a Safer and Smarter Industry

To be a globally trusted brand in pressure measurement and gas control, setting standards for reliability, precision, and engineering excellence.

Mission

Engineering Accuracy, Ensuring Reliability

We deliver precise, durable, and integrated pressure measurement and gas control solutions that enable safe, efficient, and sustainable industrial operations..

Core Values

Integrity, Innovation, Responsibility

We act with integrity, innovate in precision engineering, and take responsibility for quality, safety, and sustainability in every solution we create.

30

Years of Engineering Expertise

With three decades of expertise, Leierda has grown into a trusted global provider of pressure and gas control solutions, engineered for safety, stability, and reliability.

2000+

Customized Models & Configurations

From gauges and transmitters to regulators and manifolds, Leierda offers thousands of configurations designed for industrial, laboratory, and OEM applications.

50+

Countries & Regions Served

Leierda instruments serve 50+ countries, supporting industries from manufacturing and energy to research labs with reliable performance and global support.

100+

Industry & OEM Partners

Leierda partners with 100+ OEMs, distributors, and integrators worldwide to deliver tailored gas and pressure control solutions that enhance safety and efficiency.

Markets We Serve

Reliable Pressure Measurement and Gas Control Solutions Across Industries

Engineered for oxygen, nitrogen, carbon dioxide, and other process gases, Leierda’s industrial gas regulators, pressure transmitters, manifolds, and gauges deliver reliable pressure monitoring and control across demanding environments.Designed for welding, cutting, and process applications, these instruments ensure stable operation, safety, and long-term performance throughout complex gas distribution and process control systems.

Leierda provides precision dual-stage regulators, pressure transmitters, and gas control panels for laboratory and analytical gas systems.Designed to maintain stable outlet pressure and accurate measurement in chromatography, spectroscopy, and high-purity applications, they feature brass or stainless-steel construction for superior accuracy, repeatability, and chemical compatibility.

Leierda designs and manufactures pressure transmitters, regulators, and gas control assemblies for OEM equipment, analytical skids, and integrated systems.From concept to production, we provide compact, reliable modules optimized for precise pressure measurement, stable gas regulation, and seamless integration into industrial and laboratory process environments.

“Leierda regulators have become a standard part of our welding gas distribution systems. They maintain stable oxygen and acetylene flow even under long-duty operations. The product quality and after-sales support are dependable — exactly what we need for industrial gas safety.”
— Operations Supervisor, MetalTech Fabrication
“Our chromatography lab requires precise and clean gas supply. Leierda’s stainless-steel dual-stage regulators provide stable outlet pressure and excellent purity. They’ve significantly improved the repeatability of our GC and MS analyses.”
— Chief Chemist, Analytical Research Center
“As an OEM manufacturer, we value compact and reliable modules. Leierda’s regulator and pressure gauge assemblies integrate perfectly into our analytical skids. They save space, simplify installation, and ensure consistent pressure control.”
— Project Engineer, Process Equipment Manufacturer
“We use Leierda CO₂ regulators in our carbonation and packaging systems. The pressure stability is excellent, and maintenance is minimal. Their clean design and consistent output help us maintain product quality.”
— Production Engineer, FreshPack Beverage
“Leierda’s compact pressure transmitters integrate seamlessly into our OEM machinery. The 4–20 mA signal is stable and accurate, allowing precise pressure monitoring in automated systems. They’ve become a trusted component in our standard product design.”
— Sven Richter, Engineering Director | AutomationTech GmbH
“We use Leierda’s single-stage regulators and manifold systems for centralized oxygen and acetylene supply in our welding and fabrication workshops. The system delivers steady flow, reliable pressure control, and excellent safety performance, reducing maintenance downtime and ensuring continuous production.”
— Hassan Ali, Maintenance Manager | Industrial Gas Service Co.

Certifications & Awards

Certified globally, honored nationally, and recognized for social responsibility.

Leierda in Action

Showcasing Our Manufacturing Strength and Global Partnerships

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