Certificates & Quality Honors | Leading Linear Bearing Manufacturer - SQ
Excellence in Motion: Certified Quality for Global Engineering
Since 2007, Zhejiang Siqiang Bearing Manufacturing Co., Ltd. (SQ) has established itself as a premier Linear Bearing Manufacturer, dedicated to the R&D and production of high-precision motion components. Our 19,800 m² facility integrates advanced manufacturing with a rigorous quality management system to ensure that every Linear Motion Bearing meets international standards.
International Quality Certifications
As a trusted China linear bearing supplier, we maintain comprehensive certifications to support our global partners in Europe, North America, and Southeast Asia.
ISO 9001:2015 Certification
Our quality management system for linear bearing production is fully certified, ensuring process consistency and product reliability.
RoHS Compliance
All our products, including Stainless Steel Linear Bearings and Nickel Plated Flange Linear Bearings, are certified by the Centre of Excellence to meet strict environmental safety standards.
REACH Compliance
We ensure that our Linear Motion Bearings and Flange Linear Bearings meet global chemical safety regulations, with our latest compliance verified in November 2024.
High-Tech Enterprise Status
Recognized as a national high-tech enterprise, SQ continues to pioneer innovations in linear motion bearing design and advanced material science.
Download SQ RoHS & REACH Compliance Report
Industry Leadership & Honors
Our commitment to "Quality First, Sincere Service" has earned SQ prestigious industry recognition:
Vice President Unit
Lishui Rolling Functional Components Association.
Lishui Trustworthy Enterprise
A testament to our "Zero Deviation" quality philosophy.
Official Export Authority
Holding independent export rights to serve the global linear motion market directly.
Precision Manufacturing & QC Capabilities
To guarantee the performance of our Flange Linear Bearing (LMF, LMK, LMH series) and Linear Motion Bearing (LM, LME, KH series), we utilize industry-leading inspection technology.
SQ PRODUCTS
Basic feature
| Manufacturing Excellence | Quality Control Lab |
| 120+ CNC Lathes for precision machining | Salt Spray Testing: For Nickel Plated & Stainless Steel series |
| 50+ CNC Grinding Machines | Life & Strength Testing: Ensuring long-term durability |
| Automatic Ball Loading Lines (11 sets) | Rockwell Hardness Testers: Material integrity verification |
| Automated Cleaning & Oiling | High-Precision Deflection Testing |
Trusted by Global Industry Leaders
Our products are engineered to replace or complement top-tier brands, providing reliable solutions for LM20UU, LME20UU, and LMF/LMK/LMH series.
Supply Chain Partners
Proud supplier to MISUMI, YHB, and Aiant.
Global Reach
Exporting high-performance linear bearings to Brazil, Europe, and the USA.
1-Year Warranty
We stand behind every product with a full year of quality assurance and technical support.
Experience Our Quality First-Hand – Request a Sample
Our technical team typically responds to Linear Motion Bearing inquiries within 12 hours.