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The Quality Of Each Part Is Precise And Accurate, It Is Result Of Our Skilled Engineers , Well-Trained Worders And Experienced Machinists.


Rollyu Proudly Demonstrates Zero-Defect Parts And We Are Dedicated To Diligent Quality Assurance.


Performing 6x100%.


1. 100% Incoming Materials Inspection

2. 100% Dimension Achievement

3. 100% Meet Surface Finish Standard 

4. 100% Pre-shipment Inspection

5. 100% On-time Delivery

6. 100% Personalized Customer Support


We Know That Reliable Quality Requires Continued Focus And Investments In Many Areas, And We Are Committed To Our Strong Reputation Of These Core Fundamentals:


Here are our quality certificates:

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1. Serve As An Outstanding Business Partner - And In Every Phase Of Production:

• Rollyu Provides Thorough And Responsible Quotes, As We Know The Partnership Starts Here.

• Rollyu Consults To Ensure Parts Are Completed Efficiently & Achieve The Desired Results.


2. Deliver Precision Machining To Make Perfect Parts To Our Customers' Specifications.


3. Enable Quality, Comprehensive Materials: Rollyu Works With a Full Spectrum Of Materials And Consults To Ensure The Most Accurate And Cost-Effective Materials Are Used In Every Job. We Excel In The Precision Machining Of Complex Parts And Exotic Materials; Including Aluminum, Stainless steel, Plastic, POM, Kovar, Haynes 188, Alloy 46, Inconel, Invar, Closed-Cell Foams And Many Other Unique Materials, Utilizing 3, 4, And 5 Axis Machining Technology. We Also Know An Array Of Finishing Techniques (Ex. Anodizing, Powder coating, Plating, Lapping, Extrude Honing, passivation) To Ensure The Best Finish For All Completed Parts/Products.


Quality Management System (QMS) to ensure the highest level of quality and customer satisfaction. Our QMS incorporates ISO9001 certifications, ensuring strict adherence to global standards. Our sophisticated inspection processes utilize advanced metrology equipment, such as coordinate measuring machines (CMM), optical comparators, profile projectors, digital micro-dials, height gauges, ID &OD micrometers, thread gauges, hardness testers, and surface roughness testers, to verify that every part meets the specified requirements, we guarantee the highest levels of quality and traceability.