Our Strict Quality 
Inspection System
At NBG, we implement a comprehensive and ISO-certified quality control system 
that ensures every slip ring and other product we deliver meets the highest 
standards of performance and reliability.
From Raw Material Inspection to Final Functional 
Testing-commitment to Quality Never Rotates Out

01 Fully Implement APQP
Compliant with ISO13485 & ISO9001.


02 Incoming Quality Control (IQC)
All raw materials and components are inspected upon arrival.


03 In-Process Quality Control (IPQC)
Critical control points during assembly and manufacturing are inspected.


04 Outgoing Quality Control (OQC)
Conduct systematic quality inspection and control on products before they leave the factory

05 Comprehensively implement the MES system to achieve traceable product management


06 All processes are validated to ensure quality consistency


07 All products are tested for reliability


08 Continuously promoting 
zero defect management
Advanced Quality Assurance 
With High-Tech 
Testing Equipment
From precision measurement instruments to automated inspection systems, our state-of-the-art facilities allow us to conduct thorough testing for durability, performance, and safety at every stage of production.




Partner with us for high-quality slip rings backed by a trusted quality control system. Let’s build better solutions—Together!




Strict Quality Control
Ensured by a Dedicated
Team of Inspectors
Quality is our top priority. Our skilled inspection team follows strict protocols at every stage of production to ensure each component meets high standards.
With rigorous checks and expert attention to detail, we deliver consistent, reliable products that exceed customer expectations.
Frequently Asked Questions
What Quality Standards Do You Follow In Manufacturing Slip Rings?

Do You Perform Quality Audits?

How Do You Ensure Electrical Performance Consistency?

How Do You Qualify And Manage Suppliers?

What Certifications Do You Hold?
