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Elm Vacuum, Crafted with Precision
Efficient and stable every moment
Single-stage direct-drive rotary vane vacuum pump
Using an electric motor to directly drive the rotor not only ensures high efficiency and energy savings but also makes installation and maintenance convenient, while remaining safe and reliable.
Three-Leaf Roots Vacuum Pump
Compared to traditional two-lobe Roots pumps, it demonstrates significant technical advantages in key performance indicators such as pumping efficiency, maximum allowable pressure difference, temperature rise, vibration, and noise levels.
Dry Screw Vacuum Pump
Employing a maintenance-free design technology to address the challenges of frequent and costly vacuum pump maintenance, the working chamber is oil-free and capable of recovering various condensable gases.
Why did they all choose Elm?
Thank you to the following companies for their trust in Elmhurst over the years!
Worry-free, effortless—boost your competitiveness.
German Precision, Craftsmanship That Inspires Innovation
Imported components
Precision manufacturing
Strict Testing
After-sales Guarantee
12-month warranty on the entire pump
Quality stands the test of time.,Stable and able to withstand the test of time
Rotor, mechanical seals, bearings, oil seals, and moreHeavyNeed a complete set
CaseAll sourced from renowned international brands, ensuring superior equipment quality.FromSourceOpen
BeginControl,Bringing you consistent, stable, and reliableVacuum support.
12-month warranty on the entire pump
Core component lifespan extended by 3 times
Sealing performance exceeds industry standards by 30%
• Meticulously crafted using 107 time-honored techniques, from production to assembly
• Equipped with Japanese Mazak CNC lathe machining equipment
• Taiwan-originated, fully automatic CNC machining equipment
• Introducing a complete set of precision testing equipment from Sweden's Hexagon
• The product has passed various certifications, including ISO9001, CE, and SGS, and is registered with the China National Intellectual Property Administration as
High-tech products and utility model products.
12-month warranty on the entire pump
High standards stem from every single metric that meets the criteria.
Equipped with comprehensive precision testing equipment, including the Swedish Hexagon CMM—
Dynamic balancers and vacuum gauges, among others.
12-month warranty on the entire pump
Comprehensive pre- and post-sales services,Bottom-line guaranteeEvery step of your process
We have branches and offices in major cities across China's key industrial regions.
Equipped with a dedicated after-sales team, we’ve developed an air-powered 4S dealership model.
Our nationwide network is right by your side, saving you hassle, effort, and time.
Think what you think, and provide what you need.
Four major business strategies: Integrated production, sales, maintenance, and warranty services
-
Direct sales of products under its brands
It owns multiple brands such as vacuum pump brand (Haokaide) and blower brand, with a complete range of products that can meet the diverse needs of customers.
BRAND -
Customized non-standard vacuum pump systems
We can provide customers with applicable and optimized air kinetic energy solutions based on their different process requirements, solving their problems.
NON-STANDARD -
Lei Feng-style 4S maintenance service
We have a powerful vacuum pump maintenance division and a professional vacuum pump maintenance team, capable of repairing all kinds of imported vacuum pump products.
SERVICE -
Vacuum pump accessories zone
From air filters and oil filters to lubricants, vacuum pump oil and third-party parts, we can provide OEM original spare parts and accessories.
ACCESSORIES
We understand you better.
Having been refined through more than 20,000 cases, we consistently provide support to 50 industries.
We accept both big and small orders, and can even handle urgent requests with ease.
Strong manufacturing capabilities + nationwide service network
Airm Technology (Guangde) Co., Ltd., a subsidiary of Lushan Technology Group Co., Ltd., is a robust manufacturing base specializing in the production of various dry vacuum pumps and complete vacuum equipment, boasting 23 authorized patents and extensive industry experience.
Since its establishment, Elm Technology’s vacuum equipment has been widely used across multiple industries in China, including petrochemicals, biopharmaceuticals, aerospace, and power generation. In 2016, the company was recognized as a Jiangsu Province High-Tech Enterprise. As a leading provider in the Chinese market, we offer a comprehensive range of services—integrating R&D, manufacturing, sales, and customer support—to deliver tailored vacuum solutions for diverse industrial applications. Additionally, we provide specialized vacuum pump repair services. Our team boasts robust expertise in vacuum pump development and maintains a rigorous quality control system throughout the manufacturing process, ensuring superior performance and reliability. Furthermore, we are certified under the ISO9001:2015 quality management system.
Elm boasts professional production equipment and a comprehensive array of precision testing instruments, including coordinate measuring machines, dynamic balancing machines, and vacuum gauges. Notably, our rotary vane and Roots vacuum pumps have earned CE and SGS certifications, while also being officially registered as high-tech and utility model products with China’s Intellectual Property Office. Expertise is our strength, and quality is the foundation of our confidence.
Precision manufacturing at the production base
Patent technology validates strength
Products are exported to countries worldwide.
Easy to use + durable—welcome to Elmhurst!
Mastering core technologies, backed by 28 patented innovations
Utility Model Patent Certificate 1
Utility Model Patent Certificate 1
Utility Model Patent Certificate 2
Utility Model Patent Certificate 2
Utility Model Patent Certificate 3
Utility Model Patent Certificate 3
Utility Model Patent Certificate No. 4
Utility Model Patent Certificate No. 4
Nationwide service network—worry-free and effortless after-sales support
Possessing a nationwide service team and a standardized service system
Leasing and Services
Leasing and Service
Extended Warranty Service
Extended warranty service
Maintenance Services
Maintenance contract
Vacuum Technology Consulting
Technical consultation
Vacuum Pump News & Updates