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9 Dimensions of Quality Control

We strictly follow the ISO9001: 2015 quality management system to ensure the quality of each product and we test our products in 9 dimensions.
 Dimensional Inspection
 Environmental Adaptability Testing
 Mechanical Performance Testing
 Corrosion Resistance Testing
 Wear and Fatigue Testing
 Material Composition Analysis
 Surface Treatment Quality Inspection
 Identification and Packaging Inspection
 Disassembly and Reusability Testing

QC Profile

We have solutions for your concerns about product details
Degree of Bending Concerns about whether the customized elongated bolts exhibit excessive bending or deviations from specifications, which may lead to unstable installations or failure to meet design requirements.
Size Accuracy Concerns about whether the length, diameter, and other dimensions of the elongated bolts are accurate, ensuring they meet specific customization requirements.
Material Strength Concerns about whether the material strength of the elongated bolts is sufficient to meetpractical usage requirements.
Material Quality Concerns about the presence of impurities, inclusions, or other issues in the material that may affect the overall performance of the bolts.
Thread Quality Concerns about the quality of the threads on the bolts, ensuring proper engagement with other components.
Poor Fit Concerns about whether the threads on the bolts fit well with other components, potentially leading to difficulties during installation or instability during use.
Surface Treatment Quality Concerns about whether the surface treatment of the bolts meets requirements, providing protection against corrosion or other environmental factors.
Coating Issues If coatings are present, concerns about the adhesion and uniformity of the coatings, ensuring corrosion resistance.
Clarity of Identification Concerns about whether the customized elongated bolts have clear markings to avoid confusion or incorrect usage.
Traceability Concerns about the ability to trace the production batch and relevant information of the bolts for tracking and management.
Quality of Production Processes Concerns about whether the production processes for the bolts are of high quality, ensuring various aspects of bolt quality.
On-time Delivery Concerns about whether the elongated bolts can be delivered on time to meet the project schedule for customers.

Quality Control Process

 Quality Controlprocess Customizedaccording To The Drawingsen
 Pre-Production Meeting
 Final Inspection(10 Dimensions)
 Clean Up The Production Site(Avoid The Nailsmixed Together)
 Inspection Of Each Sectionen
 Routing
 Mechanical And Chemical Testing
 Optical Screening
 Inspection Report(Made By Nationaltesting Center)

Quality Control

Quality Testing

Certification

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 H-1-401, Lvdi Zhichuang Business Plaza, Dongshan Street, Nanjing, Jiangsu, China
  +86-18795912770
 +8618795912770
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