Kelong New Materials
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Company Strength
Boasting over 500 employees, nearly 180 of whom are engineers and technicians, along with an R&D center and 7%+ annual R&D investment, we ensure robust and diverse production capacity.
Shaanxi Kelong New Materials Technology Co., Ltd. — integrating R&D, production and sales of hydraulic seal sets, high-pressure hoses, and coal mine transportation equipment since 1996.
Shaanxi Kelong New Materials Technology Co., Ltd. was founded in 1996, which grew from Xianyang Kelong Rubber Products Institute. It is a technological innovation company integrating R&D, production and sales, concentrating on hydraulic seal sets, high-pressure hoses, coal mine auxiliary transportation equipment, repairing coal mine auxiliary transportation equipment, technological service and more.
The products have been widely applied to the coal mining industry, civil aviation, high-speed railway, engineering machinery, wind power and more. The high-quality products and services are trusted by customers all over the world.
We will focus on technological innovation and continuously improve the technological content of products, so that the company's technology and products are always at the forefront. We sincerely welcome you to visit and cooperate with us to create a brilliant future together!
Backed by decades of industrial expertise, our scale and R&D investment ensure we consistently deliver world-class solutions.
Our state-of-the-art production base integrates imported Italian equipment for hydraulic hoses and Austrian DMH technology for sealing products — ensuring every component meets the highest international standards.
From raw material processing to final quality inspection — our modern facilities ensure consistent production excellence across all product lines.
From robust company strength to certified quality control, here is why global customers trust Kelong New Materials as their preferred industrial partner.
Boasting over 500 employees, nearly 180 of whom are engineers and technicians, along with an R&D center and 7%+ annual R&D investment, we ensure robust and diverse production capacity.
With ISO and IRIS certifications, our professional team conducts strict checks throughout the production process, guaranteeing top-notch product quality at every stage.
Powered by a large workforce and substantial R&D input, we are capable of manufacturing various products to meet demands across multiple industries including coal mining, civil aviation, and wind power.
Kelong combines Austrian sealing technology with Italian hydraulic hose production equipment to deliver internationally benchmarked products.
The sealing products adopt the equipment and production technology of DMH Company in Austria — one of Europe's leading manufacturers of precision hydraulic sealing systems. This partnership ensures our seals meet the highest European standards for performance and durability.
Our hydraulic hose production base adopts a complete set of equipment imported from Italy — the global benchmark for precision hose manufacturing. This investment guarantees superior product consistency, pressure resistance, and long-term reliability in demanding industrial environments.
Our products are engineered to perform in the most demanding environments — from underground coal mines to high-altitude wind turbines.
Hydraulic seals and hoses for shearer machines, hydraulic supports, and auxiliary transport equipment in underground mines.
High-precision sealing solutions meeting strict aviation safety standards for ground support and aircraft hydraulic systems.
Reliable hydraulic components for high-speed rail infrastructure and rolling stock maintenance systems.
Durable sealing and hose solutions for wind turbine pitch and yaw control hydraulic systems in onshore and offshore environments.
High-pressure hoses and seals for excavators, cranes, loaders, and other heavy construction equipment.
Corrosion-resistant, high-pressure hydraulic hoses designed for the extreme conditions of offshore drilling platforms.
Specialized hydraulic hose and sealing solutions for tunnel boring machines operating in high-pressure underground conditions.
Custom hydraulic sealing sets and hose assemblies for general industrial machinery and automated production lines.
Our commitment to quality is backed by internationally recognized certifications and rigorous in-house testing protocols that exceed industry benchmarks.
Our quality management system is ISO certified, ensuring consistent processes and product standards across all manufacturing operations and supply chain activities.
IRIS (International Railway Industry Standard) certification confirms our products meet the stringent requirements of the global railway supply chain for safety and reliability.
Over 7% of annual revenue is reinvested into research and development, with 17.5% of staff dedicated to R&D activities — driving continuous product innovation and improvement.
From underground coal mines to offshore platforms, our products have proven their performance in the world's most demanding industrial applications.
Ultra-tough, high-pressure hydraulic hose for rock-solid machinery performance in underground coal mining environments.
Rigorously tested, this hose stays stable under extreme conditions — ensuring safe crane operations in heavy construction environments.
Innovative design combines flexibility and strength, easy to install and maintain on offshore drilling platforms in harsh marine conditions.
Upgrade your equipment's efficiency with our high-pressure hose designed for wind turbine pitch and yaw control hydraulic systems.
Seals tight, lasts long in high-pressure settings, cuts maintenance costs for tunnel boring machines operating in extreme underground conditions.
Explore our complete portfolio of successful applications across coal mining, civil aviation, railway, wind power and more.
View All CasesA comprehensive range of hydraulic sealing and hose solutions engineered for performance, durability, and reliability in every industrial application.
Our high-quality products and reliable services have earned the trust of customers across coal mining, engineering, aviation, and energy sectors worldwide.
"Kelong's hydraulic seal sets have been running in our coal shearer machines for over two years without a single failure. The quality is genuinely top-tier — comparable to European brands but with much faster delivery and responsive technical support."
"We switched to Kelong high-pressure hoses for our offshore rig operations three years ago. The flexibility, pressure rating, and corrosion resistance have exceeded our expectations. Maintenance costs dropped significantly."
"The IRIS-certified sealing components from Kelong have been integrated into our high-speed railway maintenance fleet. Their engineers provided outstanding technical consultation and customized solutions that perfectly matched our specifications."
Whether you need hydraulic sealing solutions for coal mining, high-pressure hoses for offshore rigs, or custom components for specialized machinery — our team of 180+ engineers is ready to deliver the right solution for your needs.
