Trusted Vacuum Components Manufacturer RUIJIA | Custom Vacuum Solutions For Precision Industries

Product

Line

We have a full range of vacuum products

1 KF Flanges and Fittings

2 ISO Flanges and Fittings

3 CF Flanges and Fittings

4 Vacuum Valves

5 Vacuum Adapters

6 High Purity Tubing

Customization

Process

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Our products includes vacuum fittings, vacuum flanges, vacuum bellows, vacuum clamps and vacuum valves are available in a variety of sizes and configurations to meet the specific needs of our customers.
We also offer custom design and manufacturing services to meet the unique requirements of our customers.
1,If customer have the drawing, which includes the dimensions, materials, special requirements, then we can make the goods according to the drawing.
2, If customer have no drawing, but have sample, then a sample need to be sent to our engineer, then we will gauge dimensions, and make a drawing. Then we make the goods according to the drawing.
3, Leave production to us and leave time to your market. We will customize the products you need in the shortest time and give them to you with the highest quality requirements.
4, Rujia has been providing OEM/ODM & custom one-stop solution to brand vacuum manufacturers over 21 years. Only need your concepts or samples or CAD drawings, we can manufacture a perfect product for you.
CAD drawing(or sample)
Sample confirmation by customer
Making samples
Batch order

Why

Choose Us
Ruijia is the best vacuum components manufacturer in China, we are outstanding in production capacity, effective management, accurate leadtime, on-time shipments and problems-solving rate after sales.
Equipment
We have complete production line and testing equipment, including CNC process
Group
We have our own team to research, design, produce and sell!
Quality
We have passed lS0 9001:2005.standard, stable, reliable
Price
Our products compare favorably with other manufacturers
History
We are a company combined with R&D, production and sales wholly
Service
We can provide free sample, fast response and OEM service
Focus on

Sanitary Vacuum Fittings Manufacturing

Founded in 2009

, Ruijia covers an area of

3500 square metres

The company focuses on the development of high purity vacuum flanges, fittings, bellows, valves, brackets, etc. Our high end specialised products and technologies are used in a wide range of applications such as semiconductor manufacturing, vacuum metallurgy, vacuum heat treating, aerospace, industrial production, and medical equipment.
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Testimonials
A reliable supplier of highest quality custom vacuum-components , very easy to deal with, and fair price.
Farhan Fazel
Engineering and customer service support was veryfriendly,helpful and responsive
Sundas Maqbool
Customer service is always incredibly quick andhelpful,l genuinely have no complaints!
Paul White
Power Your

Application Research

3C Electronics
Aerospace
Battery
Biotechnology
Flat Panel Display
Pharmaceutical Industry Automation
Semiconductor
Solar Energy
Latest

News and Events

Keeping you up to date with the latest news and industry news from
CF Flange Dimensions: DN16 to DN250 Guide
A practical engineer's guide to navigating CF flange dimensions from DN16 to DN250. Covers key parameters like flange OD, bolt circle, and number of bolts, along with material choices and common mista...
2026.07.24
How to Select a Vacuum Valve for Your System – A Practical Engineering Guide
Learn a step-by-step method for choosing the right valve for your vacuum environment. Covers pressure range, conductance, materials, actuators, and common mistakes to avoid. Real-world tips from proce...
2026.07.18
Surface Finish and Outgassing: Key Factors for Reliable Ultra-Clean Fluid Systems
Explore how surface finish and outgassing rates determine contamination risks in fluid systems. Learn about Ra standards, electropolishing benefits, and how to select components for semiconductor and ...
2026.07.10
Understanding ISO-K vs ISO-F Vacuum Flanges
Confused about the difference between ISO-K and ISO-F quick-release vacuum connections? Learn when to use KF (Klein Flange) or LF (ISO-F) fittings, their sealing mechanisms, size ranges, and practical...
2026.07.03
How KF Flanges Achieve Vacuum Sealing
Discover how the KF flange system creates reliable vacuum seals through its O-ring and clamp design. Learn installation tips, common mistakes, and how to select quality components for leak-free vacuum...
2026.06.25
KF Fittings: Elbows, Tees, Crosses Explained
Struggling to choose between KF elbows, tees, and crosses for your vacuum setup? Learn how each fitting affects conductance, space, and reliability — plus practical selection tips and common installat...
2026.06.17
After-Sales Service
We have a modern stock management system and professional after-sales service team.

Rich stock, fast delivery

Quick response within 24h

Quality assurance

Accessory replacement

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