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Precision Linear Motion Solutions from China

Shandong Sair Mechanical Guide Co., Ltd is one of the largest manufacturers of linear guides, ball screws, and precision motion components in China. With advanced production equipment and strong technical capabilities, we deliver high-performance products trusted in over 70 countries globally.

Linear Guide Product

About Shandong Sair

Factory Equipment

Leading Manufacturer of Precision Motion Components

Shandong Sair Mechanical Guide Co., Ltd is a fully integrated precision machinery manufacturer specializing in research, development, production, sales, and service of linear motion systems. Our company operates under two subsidiaries: one focused on manufacturing and the other on international trade.

With strong technical expertise and advanced production equipment, we have established ourselves as a leading supplier of linear guides, ball screws, lead screws, linear shafts, and related components. Our products are widely used in automation, CNC machinery, 3D printing, robotics, and industrial equipment.

Our high-quality products are not only popular across China but are also exported to Europe, the Americas, Southeast Asia, Africa, and more than 70 countries worldwide. Trusted for their performance, durability, and precision, SDSAIR components are the choice of engineers and manufacturers globally.

Learn more about our company →

Our Product Range

We offer a comprehensive portfolio of precision linear motion components designed for reliability, smooth operation, and long service life. All products are manufactured to strict quality standards and tested for performance.

SERGD Linear Guide

SERGD Linear Guide

High-load capacity linear guide with precision-ground rails and recirculating ball bearings. Ideal for CNC machines and automation systems.

Miniature Linear Guide

Miniature Linear Guide

Compact and lightweight guide for space-constrained applications. Offers smooth motion and high accuracy in small-scale machinery.

Ball Screw

Ball Screw

High-efficiency ball screw with low friction and high positioning accuracy. Suitable for precision feed systems and industrial automation.

Lead Screw

Lead Screw

Durable lead screw with trapezoidal thread for reliable linear motion. Cost-effective solution for moderate load applications.

LM Linear Shaft

LM Linear Shaft

Hardened and ground linear shaft with high straightness and surface finish. Compatible with LM blocks and linear bearings.

Round Linear Guide SBR-TBR

Round Linear Guide SBR-TBR

Round rail linear guide system offering smooth motion and high load capacity. Commonly used in packaging and material handling equipment.

Ball Screw Support

Ball Screw Support

Precision support units for ball screws with angular contact bearings. Ensures rigidity and accurate axial positioning.

Coupling

Coupling

Flexible shaft coupling for connecting motors to ball screws. Absorbs misalignment and reduces vibration in motion systems.

Rack and Pinion

Rack and Gear / Pinion

Precision rack and pinion system for converting rotary to linear motion. Used in gantry systems, cutting machines, and large-scale automation.

Why Choose SDSAIR?

Advanced Manufacturing

State-of-the-art production equipment and strict quality control ensure consistent precision and reliability in every component.

Global Export Experience

Products exported to over 70 countries across Europe, Americas, Southeast Asia, and Africa with reliable logistics and support.

High-Quality Standards

Rigorous testing and inspection processes ensure durability, smooth operation, and long service life under demanding conditions.

Full Product Range

Comprehensive portfolio of linear guides, ball screws, shafts, supports, and accessories for complete motion system solutions.

Dedicated Support

Professional technical support and after-sales service to assist with product selection, installation, and maintenance.

Proven Performance

Trusted by customers worldwide for consistent performance, low friction, and high load capacity in industrial applications.

Our Global Impact

70+
Exporting Countries
1000+
Production Equipment
50,000+
m² Built-up Area
100+
Engineers & Technicians

Frequently Asked Questions

What types of linear guides do you manufacture?

We produce a wide range including SERGD linear guides, miniature linear guides, round linear guides (SBR-TBR), and custom-sized models from 15mm to 65mm.

Are your products available internationally?

Yes, our products are exported to over 70 countries across Europe, the Americas, Southeast Asia, and Africa through our international trading subsidiary.

What is the difference between ball screws and lead screws?

Ball screws use recirculating ball bearings for high efficiency and precision, ideal for CNC and automation. Lead screws use sliding contact and are more cost-effective for moderate load applications.

Do you offer technical support?

Yes, we provide full technical support for product selection, installation guidance, maintenance tips, and troubleshooting assistance.

What industries use your components?

Our products are used in CNC machining, 3D printing, robotics, packaging machinery, semiconductor equipment, medical devices, and industrial automation systems.

How can I request a quote or catalog?

Visit our official website to download product catalogs or contact our sales team directly for quotations and technical inquiries.

Contact Shandong Sair

For product inquiries, technical support, or partnership opportunities, please reach out through our official website.

Contacts: Helen Gao

Tel: +86 531 88634400

Fax: +86 635 3672899

Email: [email protected]

Visit Official Website

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