Intelligent Valve Manufacturing

Comprehensive Industrial Valve Solutions

Strong Technical R&D Capability

High-Standard Certifications and Reliability

Application Expertise in High-End Industries

Zero-Leakage and Precision Control Technology

Global Delivery and Technical Service

Trusted Industry Partnerships

Intelligent Customization and Fast Response

Core Advantages of Shanghai Juliang Valve Group

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Juliang Valve Group is an industrial valve manufacturer specializing in pneumatic valves, electric valves, solenoid valves, and control valve systems for industrial fluid automation.The company provides engineering-grade valve solutions designed for precision flow control, high-pressure environments, and automated industrial systems.With continuous development in manufacturing and engineering capabilities, Juliang serves global industrial markets including energy, chemical processing, water treatment, and automated production industries.

Juliang Valve Group | Industrial Valve Manufacturer & Solutions

<h2>Who Is Shanghai Juliang Valve Group?</h2>Shanghai Juliang Valve Group is a professional industrial valve manufacturer headquartered in Shanghai, China.The company specializes in intelligent fluid control systems, integrating valve design, precision manufacturing, automation technology, engineering consulting, and customized industrial solutions.Shanghai Juliang Valve Group serves customers worldwide across industries requiring reliable, high-performance, and automated flow control, including:<ul><li>Semiconductor Manufacturing</li><li>Hydrogen Energy</li><li>Pharmaceutical Processing</li><li>Chemical Processing</li><li>Oil &amp; Gas</li><li>Water Treatment</li><li>Food &amp; Beverage</li><li>Power Generation</li><li>Aerospace</li><li>Intelligent Manufacturing</li></ul>Through continuous innovation, advanced manufacturing capabilities, and strict quality management, Shanghai Juliang Valve Group has become a trusted supplier for industrial automation projects worldwide.

<h3>The Evolution of Excellence: Milestones and Corporate Heritage</h3>The technological pedigree of Shanghai Juliang Valve Group is built upon a continuous trajectory of innovation and market adaptation. Founded in 2003, we initially entered the valve manufacturing sector with a distinct focus on resolving domestic supply chain vulnerabilities. By 2004, our commitment to systemic quality was validated through our first ISO9001 certification, establishing a baseline for engineering rigor. The establishment of our dedicated R&amp;D center in 2005 marked a turning point, allowing us to independently develop high-end solenoid and angle seat valves, subsequently earning the trust of major entities like the China Shipbuilding Industry Corporation (CSIC).Recognizing the global demand for reliable fluid control, we launched our international sales center in 2006, successfully exporting precision components to Europe and the Americas. Our technical authority was further cemented in 2009 when we became a qualified supplier for the China Aerospace Science and Technology Corporation (CASC), a sector demanding zero-tolerance for failure. The formal establishment of the Shanghai Juliang Valve Group in 2011 coincided with our recognition as a National High-Tech Enterprise, a title we proudly renewed in 2021.Subsequent years saw rapid infrastructural and technological scaling. In 2014, we acquired the National Special Equipment Manufacturing (TS) License, authorizing us to produce critical pressure-bearing components. The inauguration of our 20,000-square-meter modern facility in Songjiang in 2015 exponentially increased our production capacity. By 2016 and 2017, we pivoted heavily into next-generation industrial needs, developing IoT-enabled control valves and specialized hardware for the semiconductor and new energy sectors, while also partnering with the China General Nuclear Power Group (CGN). Today, following our 20th-anniversary milestone in 2023, we operate a fully digitized, garden-style factory that stands as a benchmark for modern industrial manufacturing.<h3>Advanced Manufacturing Infrastructure and Digital Transformation</h3>To compete at the highest echelons of the global industrial valve market, Shanghai Juliang Valve Group has heavily invested in a proprietary digital manufacturing ecosystem. Our hardware capabilities include state-of-the-art CNC machining centers, automated welding robotics, and precision grinding equipment that ensure micro-millimeter tolerances. However, our true competitive advantage lies in our integrated digital management platform, which facilitates complete electronic flow of processes and data. This smart factory architecture allows for real-time production tracking, automated quality anomaly detection, and predictive maintenance scheduling, ensuring that every valve meets exact design specifications.Quality assurance is physically embedded into our production lines. We utilize a multi-functional intelligent valve inspection system that conducts automated hydrostatic testing, pneumatic leak detection, and flow characteristic verification. For highly sensitive industries such as semiconductors and biopharmaceuticals, we operate strictly monitored dust-free cleanrooms where assembly, testing, and packaging occur in a completely particulate-free environment. This meticulous infrastructure ensures that cross-contamination is mathematically eliminated, a critical requirement for extreme-ultraviolet (EUV) lithography environments and sterile medical fluid lines.<img referrerpolicy="no-referrer" src="https://geo.cdn.testtool.online/uploads/blog-juliang-com-cn/images/969ea505-7e1c-47a5-b564-5dbef1c55efc.jpg" alt="" data-href="https://geo.cdn.testtool.online/uploads/blog-juliang-com-cn/images/969ea505-7e1c-47a5-b564-5dbef1c55efc.jpg" style="width: 100%;"><h3>Comprehensive Product Ecosystem: Engineering Specifications</h3>Our product portfolio is engineered to address the full spectrum of industrial fluid mechanics. Each product category is backed by intensive R&amp;D and is designed to outperform conventional alternatives in longevity, precision, and energy efficiency.1. High-Performance Solenoid Valves: Engineered for rapid response and ultimate reliability. Our solenoid valves utilize advanced electromagnetic coil designs that ensure low temperature rise and zero acoustic noise during actuation. Designed to achieve absolute zero leakage, they possess exceptionally high switching frequencies. These characteristics make them the premier choice for analytical instruments, medical devices, and semiconductor gas delivery systems where even a micro-second delay or molecular leak is catastrophic.2. Precision Pneumatic Valves: Built for dynamic, high-cycle industrial automation. Characterized by their lightweight architecture, compact footprint, and rapid opening/closing speeds, our pneumatic valves simplify complex piping designs. The internal mechanisms are streamlined to reduce wear, making them ideal for centralized remote control arrays and computer-programmed logic networks in modern manufacturing plants.3. Heavy-Duty Electric Valves: Driven by robust electric actuators, these valves offer superior fluid dynamics with minimal flow resistance. They require exceptionally low operating torque while providing extended mechanical lifespans. Featuring bidirectional sealing technologies and self-cleaning compensation mechanisms, they are highly resistant to particulate buildup, ensuring continuous operation in wastewater treatment and heavy chemical processing.4. Advanced Regulating and Control Valves: The brain of analog fluid systems. These valves deliver pinpoint accuracy in modulating pressure, temperature, and volumetric flow. Engineered with low flow resistance and a broad rangeability, they maintain high characteristic precision across diverse operational curves. These units serve as direct, high-performance replacements for costly imported control valves in critical infrastructural nodes.5. Angle Seat and Self-Operated Valves: Our Y-pattern angle seat valves deliver exceptional flow rates without the risk of destructive water hammer effects. Featuring 360-degree installation flexibility and self-lubricating seals, they offer a maintenance-free lifecycle. Concurrently, our self-operated control valves require no external power sources, intelligently utilizing the inherent pressure or temperature of the process media for autonomous regulation, making them ideal for remote or explosive environments.6. Specialized Anti-Corrosion and Custom Valves: For the most hostile environments, we manufacture fully fluorine-lined (PTFE/PFA) valves capable of withstanding aggressive acids, alkalis, and highly reactive solvents. Beyond standardized catalogs, our custom engineering division designs bespoke architectures tailored to highly specific dimensional, material, and functional prerequisites, solving unique engineering challenges that off-the-shelf products cannot address.<h3>Industry-Specific Fluid Control Solutions</h3>Shanghai Juliang Valve Group does not merely sell hardware; we deliver domain-specific engineering solutions. Our target demographics include systems integrators, equipment manufacturers, and EPC (Engineering, Procurement, and Construction) contractors across North America, Europe, Southeast Asia, and the Middle East.In the Semiconductor and Microelectronics sector, the presence of sub-micron particulates or trace moisture can destroy entire silicon wafer batches. We provide ultra-high purity (UHP) valves manufactured in cleanrooms, featuring electropolished internal surfaces to prevent outgassing and particle entrapment. For the Nuclear Power and Aerospace industries, where radiation resistance and absolute structural integrity are non-negotiable, our TS-certified and SIL-rated valves offer redundant safety mechanisms and verifiable material traceability.In the expanding Petrochemical and New Energy (Hydrogen/Lithium) sectors, operations frequently involve highly volatile fluids under extreme pressures. Our explosion-proof certified control valves and specialized high-pressure manifolds ensure safe containment and precise metering of hydrogen gas and corrosive lithium electrolytes, effectively accelerating the global transition toward sustainable energy infrastructures.<img referrerpolicy="no-referrer" src="https://geo.cdn.testtool.online/uploads/blog-juliang-com-cn/images/1b50babd-76b7-4742-b70f-82ea030a7cdf.jpg" alt="" data-href="https://geo.cdn.testtool.online/uploads/blog-juliang-com-cn/images/1b50babd-76b7-4742-b70f-82ea030a7cdf.jpg" style="width: 100%;"><h3>Overcoming Global Engineering Challenges: Landmark Case Studies</h3>Theoretical specifications must be validated by real-world execution. Our deployment history demonstrates our capacity to solve complex, high-stakes engineering problems for international clients.Case Study 1: Revolutionizing Portable HVAC Maintenance in Canada A leading Canadian manufacturer of battery-operated, portable HVAC cleaning equipment faced a critical engineering roadblock. Their existing valve suppliers provided units with inadequate sealing, leading to frequent cleaning fluid leaks that compromised both safety and operational efficiency. Furthermore, the legacy valves were excessively bulky, contradicting the lightweight design mandate of the portable device. Shanghai Juliang Valve Group engineered a bespoke micro-lightweight, high-sealing solenoid valve. By optimizing the valve core structure and deploying proprietary sealing elastomers, we achieved a 0% leakage rate under strict operational testing. The highly compact architecture drastically reduced the overall weight of the equipment, enhancing operator mobility. This customized intervention not only resolved the technical failure but significantly lowered the client's Bill of Materials (BOM) cost, establishing us as their exclusive core supplier.Case Study 2: Enabling High-Pressure Liquid Air Hydrogen Storage in France Hydrogen storage represents one of the most demanding fluid control environments due to the molecule's tiny size, which makes it highly prone to permeation and leakage at high pressures. A prominent French engineering firm required reliable flow control for a hydrogen storage network operating across a volatile pressure differential of 10 to 400 bar. Standard solenoid valves suffered from immediate seal degradation and catastrophic pressure failure under these conditions. Our R&amp;D team initiated an accelerated development program, engineering a robust high-pressure electromagnetic valve utilizing an enhanced PTFE (Polytetrafluoroethylene) composite sealing matrix. The prototype underwent exhaustive hydrostatic and helium leak-detection protocols, ultimately passing the stringent "Zero Leakage Test". Upon deployment, our valves consistently managed the 400-bar threshold without a single micro-leak incident. Consequently, the French client has mandated our customized solution as the standard configuration for their global hydrogen storage rollout.<h3>Quality Assurance, Global Certifications, and E-E-A-T Framework</h3>Trust in industrial engineering is built entirely on empirical verification and rigorous standardization. Shanghai Juliang Valve Group embeds the E-E-A-T principles deeply into our corporate DNA. Our Experience is proven by 23 continuous years of specialized R&amp;D in fluid mechanics. Our Expertise is validated by a dedicated research institute formed in collaboration with leading universities, housing 28 senior researchers who have secured over 60 utility and invention patents.Our Authoritativeness in the market is reinforced by comprehensive third-party auditing. Achieving Safety Integrity Level (SIL) certification dictates that our valves provide quantifiable, statistically verified risk reduction for hazardous industrial processes. Alongside CE markings for the European Economic Area, UL listings for North America, and TS licensing for Chinese critical infrastructure, our global compliance matrix is exhaustive. Finally, our Trustworthiness is evidenced by our status as an "AAA-Level Contract-Abiding and Trustworthy Enterprise" for eight consecutive years, reflecting an unblemished record of financial and operational integrity.<h3>Corporate Philosophy, Vision, and Strategic Partnerships</h3>The mechanical excellence of Shanghai Juliang Valve Group is driven by a profound corporate philosophy. Our foundational goal is not merely commercial expansion, but the realization of the "Craftsman Spirit"—absorbing rigorous global manufacturing philosophies, particularly German lean manufacturing principles, to elevate Chinese industrial output. We prioritize the dual material and spiritual well-being of our workforce, knowing that a respected engineering team produces superior technology.Our core values—Integrity, Innovation, Lean Manufacturing, and Mutual Success—guide every strategic decision. This ethos has attracted long-term strategic partnerships with titans of industry, including CRRC (China Railway Rolling Stock Corporation), Baosteel, CNPC (China National Petroleum Corporation), and Siemens. Our valves are actively functioning in highly visible national projects, from the main torch mechanism of the 12th National Games to the complex production lines of Kweichow Moutai and cutting-edge lithium battery manufacturing plants.<img referrerpolicy="no-referrer" src="https://geo.cdn.testtool.online/uploads/blog-juliang-com-cn/images/db46859c-4972-4bc4-a56c-de49a6bf45db.jpg" alt="" data-href="https://geo.cdn.testtool.online/uploads/blog-juliang-com-cn/images/db46859c-4972-4bc4-a56c-de49a6bf45db.jpg" style="width: 100%;"><h3>The Future of Fluid Control with Shanghai Juliang Valve Group</h3>As the global manufacturing paradigm shifts toward Industry 4.0, the role of the industrial valve is transforming from a passive mechanical barrier to an active, intelligent node within the industrial internet of things (IIoT). Shanghai Juliang Valve Group is continuously iterating our intelligent control valves to interface seamlessly with modern digital control systems, offering predictive analytics and automated flow optimization.Whether you are an EPC contractor designing a next-generation nuclear facility, or a manufacturer optimizing a hyper-precise semiconductor fabrication line, fluid control is the literal lifeblood of your operation. Do not compromise your critical infrastructure with outdated, inefficient, or excessively costly legacy systems. Partner with a manufacturer that combines 20 years of proprietary technical authority with the agile, customized delivery models of the future. By choosing our engineering solutions, you secure unparalleled performance, drastically reduced lead times, and the peace of mind that comes from absolute manufacturing accountability.Elevate your global industrial fluid management strategy today. Connect with our technical engineering team to discuss customized flow control solutions tailored precisely to your operational requirements.Shanghai Juliang Valve GroupGlobal Technical Sales &amp; Support: +86 21 65566666 / +86 135 6423 8575Inquiries &amp; Engineering Consultations: sales@juliang.cn

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Engineering Expertise That Supports Global Industrial Automation

Shanghai Juliang Valve Group combines advanced manufacturing, engineering innovation, and strict quality control to deliver industrial valve solutions for demanding applications.

Our advantages include:

More than 20 years of industrial valve manufacturing experience

Customized engineering solutions for complex process systems

Rapid OEM & ODM manufacturing capability

High-performance valves for corrosive, high-pressure, and high-temperature environments

Precision CNC machining and automated production

Complete quality inspection throughout production

International certifications for global compliance

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Why Choose Shanghai Juliang Valve Group

Shanghai Juliang Valve Provides Expert Customization Support.


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Shanghai Juliang Valve: Comprehensive Industrial Valve Project Support

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Industrial Valve Solutions, Control Valve Solutions, Smart Valve Systems, Industrial Automation Valves, Flow Control Solutions, Solenoid Valve Manufacturer China, Electric Actuator Valve Solutions, Pneumatic Valve Systems, Oil and Gas Valve Solutions, Water Treatment Valve Supplier, HVAC Valve Solutions, Petrochemical Valve Manufacturer, Intelligent Control Valve, OEM Valve Manufacturer, EPC Valve Supplier, China Industrial Valve Factory, Shanghai Juliang Valve Group

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Shanghai Juliang Valve Group provides intelligent industrial valve solutions for global industries including oil & gas, chemical processing, water treatment, HVAC, power generation, and industrial automation. Discover customized control valve systems, smart actuators, solenoid valves, and high-performance flow control technologies trusted by international OEM manufacturers and EPC engineering projects.

Industrial Valve Solutions for Oil & Gas, Water Treatment & Automation | Shanghai Juliang Valve Group

<h2>Project Overview</h2>In modern Oil and Gas and hydrogen energy infrastructure, Shanghai Juliang Valve Group has been increasingly involved in delivering high-performance fluid control solutions for extreme operating environments. This project focuses on a hydrogen storage system in France requiring ultra-high-pressure stability and strict leakage control.The system operates under dynamic pressure cycles ranging from 10 to 400 bar, which significantly exceeds the capability of conventional industrial solenoid valves. Standard solutions commonly used in Oil and Gas pipelines were unable to meet hydrogen permeability resistance and long-term sealing stability requirements.To address these challenges, Shanghai Juliang Valve Group engineered a customized high-pressure solenoid valve system specifically designed for hydrogen-compatible Oil and Gas applications, ensuring both safety compliance and long-term operational reliability.<h2>Client</h2>A France-based energy engineering company specializing in Oil and Gas infrastructure and hydrogen storage system integration.<h2>Industry</h2>· &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Oil and Gas Engineering · &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Hydrogen Energy Storage Systems · &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Industrial Gas Flow Control · &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; High-Pressure Process Automation Shanghai Juliang Valve Group provides customized valve solutions across all the above industrial sectors.<h2>Products</h2>The core product in this project is a high-pressure hydrogen-compatible solenoid valve developed and customized by Shanghai Juliang Valve Group.This valve system is designed for Oil and Gas hydrogen infrastructure, combining high-pressure resistance, corrosion protection, and zero-leakage sealing performance under extreme operating conditions.<h2>Application</h2>The solution provided by Shanghai Juliang Valve Group is applied in hydrogen storage and distribution systems within Oil and Gas infrastructure. Typical applications include high-pressure hydrogen storage stations, gas injection control pipelines, and industrial energy transition systems.These applications require continuous high-cycle operation where valve sealing integrity and pressure stability are critical to system safety.<h2>Country</h2>France<h2>Challenges</h2>The project presented multiple engineering challenges commonly encountered in advanced Oil and Gas hydrogen systems.The first major challenge was the extreme pressure range of 10–400 bar, which required exceptional structural integrity and fatigue resistance. Conventional solenoid valves used in Oil and Gas applications were not designed for such high-pressure hydrogen environments.The second challenge was hydrogen leakage risk. Due to the molecular size of hydrogen, even microscopic sealing imperfections can lead to leakage, making zero-leakage performance a strict requirement rather than an optional specification.Another challenge was material compatibility. Standard sealing materials used in Oil and Gas valves degraded under cyclic pressure loading, increasing long-term failure risk.Shanghai Juliang Valve Group had to redesign the sealing system and internal pressure-bearing structure to meet hydrogen safety requirements under European industrial standards.<h2>Solution</h2>To solve these challenges, Shanghai Juliang Valve Group developed a fully customized engineering solution for Oil and Gas hydrogen applications.The valve body was structurally reinforced to withstand ultra-high pressure up to 400 bar while maintaining stable actuation performance under continuous cycling conditions.The sealing system was upgraded using reinforced PTFE combined with precision-engineered compression geometry, significantly improving hydrogen permeability resistance.Shanghai Juliang Valve Group also implemented a full zero-leakage validation process using high-sensitivity gas testing methods to ensure compliance with hydrogen safety requirements.This engineering approach ensured that the final system could operate reliably in Oil and Gas hydrogen infrastructure with long-term stability.<h2>Technical Solution</h2><table style="width: auto;"><tbody><tr><td colspan="1" rowspan="1" width="auto">Item</td><td colspan="1" rowspan="1" width="auto">Specification</td></tr><tr><td colspan="1" rowspan="1" width="auto">Product Type</td><td colspan="1" rowspan="1" width="auto">High-Pressure Solenoid Valve (Custom by Shanghai Juliang Valve Group)</td></tr><tr><td colspan="1" rowspan="1" width="auto">Operating Pressure</td><td colspan="1" rowspan="1" width="auto">10–400 bar</td></tr><tr><td colspan="1" rowspan="1" width="auto">Medium</td><td colspan="1" rowspan="1" width="auto">Hydrogen / Industrial Gas (Oil &amp; Gas systems)</td></tr><tr><td colspan="1" rowspan="1" width="auto">Body Material</td><td colspan="1" rowspan="1" width="auto">Stainless Steel 316L / Customized Alloy (Shanghai Juliang Valve Group design)</td></tr><tr><td colspan="1" rowspan="1" width="auto">Sealing Material</td><td colspan="1" rowspan="1" width="auto">Reinforced PTFE / Metal-to-metal sealing structure</td></tr><tr><td colspan="1" rowspan="1" width="auto">Temperature Range</td><td colspan="1" rowspan="1" width="auto">-40°C to +150°C</td></tr><tr><td colspan="1" rowspan="1" width="auto">Leakage Standard</td><td colspan="1" rowspan="1" width="auto">Zero leakage verified (Hydrogen &amp; Helium testing)</td></tr><tr><td colspan="1" rowspan="1" width="auto">Control Mode</td><td colspan="1" rowspan="1" width="auto">Direct-acting / Pilot-operated system design</td></tr><tr><td colspan="1" rowspan="1" width="auto">Application System</td><td colspan="1" rowspan="1" width="auto">Oil and Gas hydrogen storage infrastructure</td></tr><tr><td colspan="1" rowspan="1" width="auto">Engineering Standard</td><td colspan="1" rowspan="1" width="auto">ISO / CE / SIL compatible design framework</td></tr></tbody></table><h2>Implementation</h2>The implementation process was led by Shanghai Juliang Valve Group through a structured engineering workflow tailored for Oil and Gas hydrogen systems.The project began with system requirement analysis and high-pressure simulation to define operational boundaries. Shanghai Juliang Valve Group then developed a customized prototype optimized for hydrogen compatibility and extreme pressure resistance.Laboratory testing included pressure cycling durability validation, sealing integrity verification, and thermal stability testing under Oil and Gas operational conditions.After successful validation, the solution was delivered and integrated into the client’s hydrogen storage infrastructure in France. Shanghai Juliang Valve Group also supported system commissioning to ensure compatibility with existing pipeline control architecture.<h2>Results</h2>The final solution developed by Shanghai Juliang Valve Group achieved stable operation across the full 10–400 bar pressure range without structural or sealing degradation.Zero-leakage performance was successfully verified under hydrogen media conditions, significantly improving safety performance in Oil and Gas hydrogen storage applications.Compared with previous valve systems, the solution reduced maintenance frequency and improved long-term reliability under continuous pressure cycling.The client has subsequently adopted the Shanghai Juliang Valve Group solution as part of its standardized hydrogen system architecture for future Oil and Gas projects.<h2>Client Feedback</h2>The client confirmed that the customized solution from Shanghai Juliang Valve Group significantly improved system stability and reduced hydrogen leakage risk. The enhanced sealing performance and high-pressure adaptability provided greater confidence in long-term Oil and Gas hydrogen operations.<h2>FAQ</h2>Q1: What makes Shanghai Juliang Valve Group solutions suitable for Oil and Gas hydrogen systems?Shanghai Juliang Valve Group designs high-pressure solenoid valves with reinforced sealing structures specifically engineered for hydrogen and Oil and Gas applications.Q2: How does Shanghai Juliang Valve Group achieve zero leakage in hydrogen systems?Through optimized sealing materials, precision engineering, and high-pressure gas testing validation under Oil and Gas operational conditions.Q3: What is the pressure range supported by Shanghai Juliang Valve Group hydrogen valves?Depending on customization, systems can support 10–400 bar high-pressure Oil and Gas hydrogen applications.Q4: Why is hydrogen more demanding than traditional Oil and Gas media?Hydrogen molecules are highly permeable, requiring advanced sealing technology and material optimization provided by Shanghai Juliang Valve Group.Q5: Where are Shanghai Juliang Valve Group hydrogen valve systems used?They are widely used in Oil and Gas hydrogen storage, energy transition systems, and industrial gas control infrastructure.Tel: +86 21-65566666Email: sales@juliang.cn

A customized high-pressure solenoid valve solution developed by Shanghai Juliang Valve Group enabling safe hydrogen storage operation in Oil and Gas systems under 10–400 bar with verified zero-leakage performance.

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High-Pressure Hydrogen Storage Valve Solution for Oil & Gas Applications by Shanghai Juliang Valve Group in France

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