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Solution Provider of Vacuum Pumps & Couplings

State-of-the-art, innovative vacuum pumps, precision couplings, and customized vacuum solutions that enable more precise, economical, and sustainable manufacturing processes.

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About SISMAR CNC

Vacuum technology is an elementary component in the production of several high-tech products. At SISMAR CNC, we specialize in delivering cutting-edge vacuum pumps, couplings, and fully customized vacuum solutions that help manufacturers achieve greater precision, efficiency, and sustainability.

Our commitment to innovation and customer proximity ensures that every solution we provide is tailored to meet the unique demands of modern industrial applications.

10+
Years Experience
50+
Global Clients
20+
Patents
SISMAR CNC Facility

Our Products

High-performance vacuum pumps and precision couplings engineered for reliability, efficiency, and industrial excellence.

Dry Vacuum Pump

Dry Vacuum Pump

Oil-free operation for clean vacuum environments. Ideal for semiconductor, medical, and laboratory applications.

  • • Ultimate Pressure: 0.1 Pa
  • • Flow Rate: 50–600 m³/h
  • • Maintenance-Free Operation
  • • Low Noise & Vibration
Oil Vacuum Pump

Oil Vacuum Pump

High-efficiency oil-sealed pumps for industrial applications requiring deep vacuum and high pumping speed.

  • • Ultimate Pressure: 0.05 Pa
  • • Robust Oil Sealing System
  • • High Thermal Stability
  • • Suitable for Harsh Environments
Vortex Air Blower

Vortex Air Blower

Compact and energy-efficient blowers for pneumatic conveying, aeration, and vacuum lifting.

  • • Oil-Free & Low Maintenance
  • • Quiet Operation
  • • Flow Rates up to 300 m³/h
  • • Corrosion-Resistant Housing
Metal Bellows Coupling

Metal Bellows Coupling

Zero-backlash, high-torsion rigidity coupling for precision motion control in CNC and automation systems.

  • • High Torque Transmission
  • • Compensates for Misalignment
  • • Stainless Steel Bellows
  • • Ideal for Servo Motors
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Jaw Coupling

Durable elastomer spider design for shock absorption and vibration damping in industrial drives.

  • • High Misalignment Capacity
  • • Electrically Insulating
  • • Maintenance-Free
  • • Temperature Range: -40°C to +100°C
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Disc Coupling

High-speed, high-torque disc pack coupling for precision applications requiring torsional stiffness.

  • • Zero Backlash
  • • High Fatigue Resistance
  • • Stainless Steel Discs
  • • Suitable for High RPM
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Rigid Coupling

Precision-machined solid coupling for applications requiring exact shaft alignment and maximum torque.

  • • High Torque Density
  • • Minimal Inertia
  • • CNC-Machined Aluminum/Steel
  • • Secure Set-Screw or Clamp Design
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Oldham Coupling

Designed to accommodate parallel misalignment with smooth torque transmission and low bearing load.

  • • Parallel Misalignment Compensation
  • • Low Maintenance
  • • Wear-Resistant Center Disc
  • • Ideal for Linear Motion Systems

Why Choose SISMAR CNC?

We combine innovation, precision engineering, and customer-focused service to deliver superior vacuum and coupling solutions.

High Performance

Our vacuum pumps and couplings are engineered for maximum efficiency, durability, and reliability in demanding industrial environments.

Custom Solutions

From standardized components to fully customized vacuum systems, we tailor our products to your exact specifications.

Global Support

With responsive service, technical documentation, and direct communication, we ensure your systems run smoothly.

100+
Products Delivered
30+
Countries Served
99.8%
Customer Satisfaction
24/7
Technical Support

Latest Insights

Explore our technical articles and industry knowledge.

TECHNICAL

All About Jaw Couplings

Understanding the attributes, specifications, and applications of jaw couplings in industrial machinery.

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MAINTENANCE

Leak Detection Methods

Learn the advantages of leak testing in vacuum systems and how to ensure system integrity.

Read More
R&D

Innovations in Dry Pumps

How new materials and designs are improving efficiency and lifespan in dry vacuum technology.

Read More

Download Resources

Access product specifications, user manuals, and technical documentation.

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Product Specifications

Detailed technical data sheets
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User Manuals

Installation and operation guides

Let's Talk

We focus on customer proximity. Contact us for all your questions.

Email: sales@sismarcnc.com

WeChat: 0086 186 1551 5768

WhatsApp: 0086 186 1551 5768

Address: NO.2350 Kaituo Road, High-tech Zone, Jinan City, China

Phone: 0086 186 1551 5768

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